Reduced PricesOffersContact UsHelpTrack Orderspå norsk
Home
Login
Register
My Account
0
0 Itemskr0.00
ex VAT
ex VAT
  • All Products
    • Manufacturers
    • Popular Manufacturers
      ANALOG DEVICES
      STMICROELECTRONICS
      KEMET
      PANASONIC
      AMPHENOL
      ALPHAWIRE
      OMEGA
      NI-EMERSON
      TEKTRONIX
      TE CONNECTIVITY
      LITTELFUSE
      RASPBERRY PI
      View All Manufacturers
      MULTICOMP PRO

      The Engineer's Choice

      From prototype to production

      Learn More

      ACCESS ASSEMBLE ASPIRE

      The right components for tomorrow's success

      Learn more
      • Resources
      • Services
        • Custom Components
        • Purchasing & Procurement support
        • Stock Management
        • Design
        • Education
        View All Services
        Technical Resources
        • DevKit HQ
        • eTechJournal
        • Artificial Intelligence
        • Internet of Things
        • Security & Surveillance
        • Healthcare
        • OEM Solutions
        • EV Charging
        • Transportation
        • Industrial Automation
        • Robotics
        • Maintenance & Safety
        • Wireless Technology
        • Sensor Technology
        • Power Management
        • Motor Control
        • Calculators & Charts
        • Engineering Glossary
        View All Tech Resources
        Quality, Legislation and Environmental
        • RoHS, Reach, WEEE, ECCN, Product Compliance Certificates
        • Quality Policy
        • Traceability
        Help
        • Delivery Information
        • Technical Support
        • FAQs
        • Contact Us
        • Report a Problem
        View All Help
        • Back to Resources
        • Services
          • Back to Services
          • Custom Components
            • Purchasing & Procurement support
              • Stock Management
                • Design
                  • Education
                    • View All Services
                    • Technical Resources
                      • Back to Technical Resources
                      • DevKit HQ
                        • eTechJournal
                          • Artificial Intelligence
                            • Internet of Things
                              • Security & Surveillance
                                • Healthcare
                                  • OEM Solutions
                                    • EV Charging
                                      • Transportation
                                        • Industrial Automation
                                          • Robotics
                                            • Maintenance & Safety
                                              • Wireless Technology
                                                • Sensor Technology
                                                  • Power Management
                                                    • Motor Control
                                                      • Calculators & Charts
                                                        • Engineering Glossary
                                                          • View All Tech Resources
                                                          • Quality, Legislation and Environmental
                                                            • Back to Quality, Legislation and Environmental
                                                            • RoHS, Reach, WEEE, ECCN, Product Compliance Certificates
                                                              • Quality Policy
                                                                • Traceability
                                                                  • Help
                                                                    • Back to Help
                                                                    • Delivery Information
                                                                      • Technical Support
                                                                        • FAQs
                                                                          • Contact Us
                                                                            • Report a Problem
                                                                              • View All Help
                                                                            • Communities
                                                                            • element14
                                                                              Visit the element14 Community for technical discussions, learning content, and opportunities to test new products.
                                                                              hacksterio
                                                                              Hackster is a community dedicated to learning hardware.
                                                                              • Back to Communities
                                                                              • element14
                                                                                • Hackster.io
                                                                                • Bill of Materials (BOM) Upload
                                                                                  • Tools
                                                                                  • Quick Buy
                                                                                    BOM Upload
                                                                                    Request a Quote
                                                                                    All Buying Tools
                                                                                    • Back to Tools
                                                                                    • Quick Buy
                                                                                      • BOM Upload
                                                                                        • Request a Quote
                                                                                          • All Buying Tools
                                                                                          • Offers
                                                                                            • Contact Us
                                                                                              • Help
                                                                                                • Reduced Prices
                                                                                                  1. Home
                                                                                                  2. Security
                                                                                                  3. Intrusion Detection
                                                                                                  4. Alarm Switches

                                                                                                  Alarm Switches:

                                                                                                  31 Products Found
                                                                                                  Find a huge range of Alarm Switches at Farnell Norway. We stock a large selection of Alarm Switches, including new and most popular products from the world's top manufacturers including: Seco-larm, KAC, Defender Security, Securefast & C&K Components
                                                                                                  View
                                                                                                  Buyer
                                                                                                  Engineer
                                                                                                  Manufacturer
                                                                                                  Product Range
                                                                                                  Contact Configuration
                                                                                                  Switch Type
                                                                                                  External Height
                                                                                                  External Width
                                                                                                  External Depth
                                                                                                  No. of Contacts
                                                                                                  Packaging
                                                                                                  No Filter(s) Applied
                                                                                                  0 Filter(s) Selected
                                                                                                  ComparePrice ForQuantity
                                                                                                  DEF-0664
                                                                                                  DEFENDER SECURITY DEF-0664
                                                                                                  3531218

                                                                                                  RoHS

                                                                                                  DEFENDER SECURITY
                                                                                                  1. EXIT SWITCH
                                                                                                  2. 1 GANG
                                                                                                  3. SURFACE BOX
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 234.71
                                                                                                  3+
                                                                                                  kr 223.39
                                                                                                  10+
                                                                                                  kr 212.06
                                                                                                  Total:kr 234.71
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  SM-4105-LQ/W
                                                                                                  SECO-LARM SM-4105-LQ/W
                                                                                                  2808834

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Steel Door Recessed Contact with Leads N.C.1" Gap (White)
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 50.04
                                                                                                  Total:kr 50.04
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  SM-226R-3Q
                                                                                                  SECO-LARM SM-226R-3Q
                                                                                                  2808827
                                                                                                  SECO-LARM
                                                                                                  1. Round Overhead Door Contact
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 248.19
                                                                                                  Total:kr 248.19
                                                                                                  Min: 1 / Mult: 1
                                                                                                  SM Series
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  SM-205Q/BR
                                                                                                  SECO-LARM SM-205Q/BR
                                                                                                  2808368

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Product Range:SM Series
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 37.21
                                                                                                  Total:kr 37.21
                                                                                                  Min: 1 / Mult: 1
                                                                                                  SM Series
                                                                                                  SPST
                                                                                                  SPST
                                                                                                  0.28"
                                                                                                  1.26"
                                                                                                  0.53"
                                                                                                  1 Contact
                                                                                                  SM-226L-3Q
                                                                                                  SECO-LARM SM-226L-3Q
                                                                                                  2808374

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SECO-LARM
                                                                                                  1. Product Range:SM Series
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 238.21
                                                                                                  Total:kr 238.21
                                                                                                  Min: 1 / Mult: 1
                                                                                                  SM Series
                                                                                                  SPDT-1NO, SPDT-NC
                                                                                                  Overhead Door Magnetic Switch
                                                                                                  11mm
                                                                                                  110mm
                                                                                                  44mm
                                                                                                  2 Contact
                                                                                                  SM-4105-LQ/B
                                                                                                  SECO-LARM SM-4105-LQ/B
                                                                                                  2808833

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Steel Door Recessed Contact N.C.1" Gap (Brown)
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 50.04
                                                                                                  Total:kr 50.04
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  SM-216Q/GY
                                                                                                  SECO-LARM SM-216Q/GY
                                                                                                  2808372

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Product Range:SM Series
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 73.34
                                                                                                  Total:kr 73.34
                                                                                                  Min: 1 / Mult: 1
                                                                                                  SM Series
                                                                                                  SPST-NO
                                                                                                  Surface Mount Magnetic Switch
                                                                                                  14mm
                                                                                                  100mm
                                                                                                  13mm
                                                                                                  1 Contact
                                                                                                  SM-226LQ
                                                                                                  SECO-LARM SM-226LQ
                                                                                                  2808375

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Product Range:SM Series
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 160.14
                                                                                                  Total:kr 160.14
                                                                                                  Min: 1 / Mult: 1
                                                                                                  SM Series
                                                                                                  SPST-NO
                                                                                                  Overhead Door Magnetic Switch
                                                                                                  11mm
                                                                                                  109mm
                                                                                                  44mm
                                                                                                  1 Contact
                                                                                                  SM-204Q/W
                                                                                                  SECO-LARM SM-204Q/W
                                                                                                  2808367

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Product Range:SM Series
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 36.61
                                                                                                  Total:kr 36.61
                                                                                                  Min: 1 / Mult: 1
                                                                                                  SM Series
                                                                                                  SPST
                                                                                                  Surface Mount Magnetic Switch
                                                                                                  6mm
                                                                                                  35mm
                                                                                                  10mm
                                                                                                  1 Contact
                                                                                                  SS-072Q
                                                                                                  SECO-LARM SS-072Q
                                                                                                  2808653

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Tamper Switch N/C
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 29.24
                                                                                                  Total:kr 29.24
                                                                                                  Min: 1 / Mult: 1
                                                                                                  SS Series
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  SS-073Q
                                                                                                  SECO-LARM SS-073Q
                                                                                                  2808654

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Tamper Switch N/O
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 31.02
                                                                                                  Total:kr 31.02
                                                                                                  Min: 1 / Mult: 1
                                                                                                  SS Series
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  SM-4601-L3Q
                                                                                                  SECO-LARM SM-4601-L3Q
                                                                                                  2808840

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Industrial Wide Gap Contact
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 193.16
                                                                                                  Total:kr 193.16
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  SPST
                                                                                                  Surface Mount Magnetic Switch
                                                                                                  12.7mm
                                                                                                  25.4mm
                                                                                                  76.2mm
                                                                                                  1 Contact
                                                                                                  55F-12WG-BA-W
                                                                                                  GEORGE RISK INDUSTRIES 55F-12WG-BA-W
                                                                                                  2819437

                                                                                                  Data Sheet

                                                                                                  GEORGE RISK INDUSTRIES
                                                                                                  1. 50 Series Miniature Switch - Wide Gap
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 51.04
                                                                                                  Total:kr 51.04
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  SPDT-NO
                                                                                                  Surface Mount Magnetic Switch
                                                                                                  6.35mm
                                                                                                  28.58mm
                                                                                                  6.35mm
                                                                                                  1 Contact
                                                                                                  SM-4104-TQ/W
                                                                                                  SECO-LARM SM-4104-TQ/W
                                                                                                  2808832

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Steel Door Recessed Contact N.C.1" Gap (White)
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 52.90
                                                                                                  Total:kr 52.90
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  SPST
                                                                                                  Reed Switch
                                                                                                  24mm
                                                                                                  24mm
                                                                                                  30mm
                                                                                                  1 Contact
                                                                                                  SM-200Q/W
                                                                                                  SECO-LARM SM-200Q/W
                                                                                                  2808365

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Product Range:SM Series
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 32.09
                                                                                                  Total:kr 32.09
                                                                                                  Min: 1 / Mult: 1
                                                                                                  SM Series
                                                                                                  SPST-NO
                                                                                                  SPST
                                                                                                  13mm
                                                                                                  63.5mm
                                                                                                  14mm
                                                                                                  1 Contact
                                                                                                  SM-226RQ
                                                                                                  SECO-LARM SM-226RQ
                                                                                                  2808376

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Product Range:SM Series
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 196.02
                                                                                                  Total:kr 196.02
                                                                                                  Min: 1 / Mult: 1
                                                                                                  SM Series
                                                                                                  SPST-NO
                                                                                                  Overhead Door Magnetic Switch
                                                                                                  0.42"
                                                                                                  4.33"
                                                                                                  1.73"
                                                                                                  1 Contact
                                                                                                  SM-4601-LQ
                                                                                                  SECO-LARM SM-4601-LQ
                                                                                                  2808839

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Industrial Wide Gap Contact
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 138.01
                                                                                                  Total:kr 138.01
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  SPST
                                                                                                  Surface Mount Magnetic Switch
                                                                                                  12.7mm
                                                                                                  25.4mm
                                                                                                  76.2mm
                                                                                                  1 Contact
                                                                                                  SM-207-5Q/BR
                                                                                                  SECO-LARM SM-207-5Q/BR
                                                                                                  2808369

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Product Range:SM Series
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 40.06
                                                                                                  Total:kr 40.06
                                                                                                  Min: 1 / Mult: 1
                                                                                                  SM Series
                                                                                                  1NO
                                                                                                  SPST
                                                                                                  9mm
                                                                                                  9mm
                                                                                                  19mm
                                                                                                  1 Contact
                                                                                                  SM-200Q/BR
                                                                                                  SECO-LARM SM-200Q/BR
                                                                                                  2808364

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Product Range:SM Series
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 32.09
                                                                                                  Total:kr 32.09
                                                                                                  Min: 1 / Mult: 1
                                                                                                  SM Series
                                                                                                  SPDT-NO
                                                                                                  SPST
                                                                                                  13mm
                                                                                                  63.5mm
                                                                                                  14mm
                                                                                                  1 Contact
                                                                                                  SM-4301-TQW
                                                                                                  SECO-LARM SM-4301-TQW
                                                                                                  2808836

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Plunger Type Contact
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 31.02
                                                                                                  Total:kr 31.02
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  SPST
                                                                                                  Pushbutton
                                                                                                  6mm
                                                                                                  19mm
                                                                                                  37mm
                                                                                                  1 Contact
                                                                                                  SM-4303-TQ/W
                                                                                                  SECO-LARM SM-4303-TQ/W
                                                                                                  2808838

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Roller-Ball Quick Connect
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 32.09
                                                                                                  Total:kr 32.09
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  SPST
                                                                                                  Reed Switch
                                                                                                  6.35mm
                                                                                                  19mm
                                                                                                  19.8mm
                                                                                                  1 Contact
                                                                                                  SD-7202GC-PTQ
                                                                                                  SECO-LARM SD-7202GC-PTQ
                                                                                                  2809012
                                                                                                  SECO-LARM
                                                                                                  1. ALARM SWITCH
                                                                                                  2. SPST-NO/NC
                                                                                                  3. 3A
                                                                                                  4. 24VDC
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 488.34
                                                                                                  Total:kr 488.34
                                                                                                  Min: 1 / Mult: 1
                                                                                                  SD Series
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  SM-4201-LQ
                                                                                                  SECO-LARM SM-4201-LQ
                                                                                                  2808835

                                                                                                  Data Sheet

                                                                                                  SECO-LARM
                                                                                                  1. Track-Mount Overhead
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 241.54
                                                                                                  Total:kr 241.54
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  SPST
                                                                                                  Overhead Door Magnetic Switch
                                                                                                  46mm
                                                                                                  79mm
                                                                                                  66mm
                                                                                                  1 Contact
                                                                                                  KDS33
                                                                                                  C&K COMPONENTS KDS33
                                                                                                  3263276

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  C&K COMPONENTS
                                                                                                  1. Alarm Switch
                                                                                                  2. KDS Series
                                                                                                  3. SPST-NC
                                                                                                  4. 30.42 mm
                                                                                                  5. 15.24 mm
                                                                                                  6. 10.16 mm
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 53.28
                                                                                                  5+
                                                                                                  kr 48.88
                                                                                                  10+
                                                                                                  kr 44.38
                                                                                                  20+
                                                                                                  kr 41.60
                                                                                                  50+
                                                                                                  kr 38.83
                                                                                                  Total:kr 53.28
                                                                                                  Min: 1 / Mult: 1
                                                                                                  KDS Series
                                                                                                  SPST-NC
                                                                                                  -
                                                                                                  30.42mm
                                                                                                  15.24mm
                                                                                                  10.16mm
                                                                                                  2 Contact
                                                                                                  MCP3A-G0000SF-STICK-12
                                                                                                  KAC MCP3A-G0000SF-STICK-12
                                                                                                  1272702

                                                                                                  Data Sheet

                                                                                                  KAC
                                                                                                  1. Alarm Switch
                                                                                                  2. Resettable
                                                                                                  3. SPST
                                                                                                  4. 93 mm
                                                                                                  5. 89 mm
                                                                                                  6. 59.5 mm
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 322.08
                                                                                                  5+
                                                                                                  kr 308.67
                                                                                                  Total:kr 322.08
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  SPST
                                                                                                  -
                                                                                                  93mm
                                                                                                  89mm
                                                                                                  59.5mm
                                                                                                  1 Contact
                                                                                                  ComparePrice ForQuantity
                                                                                                  1-25 of 31 items
                                                                                                  of 2 page(s)
                                                                                                  Customer Service
                                                                                                  Sales 800 146 70
                                                                                                  Technical +44 3447 11 11 22
                                                                                                  Live Agent
                                                                                                  Submit Feedback
                                                                                                  FAQs
                                                                                                  Help
                                                                                                  Quick Links
                                                                                                  Track my order
                                                                                                  Order History
                                                                                                  Return a Product
                                                                                                  Delivery Information
                                                                                                  Our Company
                                                                                                  About Us
                                                                                                  Quality Policy
                                                                                                  Careers
                                                                                                  Corporate Responsibility
                                                                                                  Social Media +

                                                                                                  Subscribe to become an exclusive Farnell insider!

                                                                                                  LinkedIn
                                                                                                  Twitter
                                                                                                  Facebook
                                                                                                  Norton Secured
                                                                                                  BSI 9001
                                                                                                  Visa
                                                                                                  Mastercard
                                                                                                  AMEX
                                                                                                  PayPal
                                                                                                  Trade Account
                                                                                                  Privacy
                                                                                                  Terms of Access
                                                                                                  Legal and Copyright Notices
                                                                                                  Conditions of Sale
                                                                                                  Terms of Use for API
                                                                                                  Sitemap
                                                                                                  An Avnet Company© 2026 Premier Farnell Limited. All Rights Reserved.
                                                                                                  Farnell is a trade name for Farnell Norge NUF.
                                                                                                  Registered office: Gåserudveien 18, Lier 3402, Norway