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Phase Monitoring Relays:

162 Products Found

Farnell offers phase monitoring relays that protect three-phase systems from phase loss, phase reversal and imbalance. These relays are designed to prevent motor damage and ensure stable operation.

Phase monitoring relays measure phase sequence, phase loss and voltage balance in three-phase systems. If any discrepancy is detected, the relay disconnects the load to prevent motor failure.

Key Features:

  • Phase loss and reversal protection for motors and equipment.
  • Adjustable voltage range for versatile use.
  • Compact design for easy installation in control panels.

Applications:

  • Industrial Motors – Ensure proper phase alignment and prevent damage.
  • HVAC Systems – Maintain stable operation in multi-phase compressors.
  • Renewable Energy – Monitor phase balance in solar and wind systems.
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ComparePrice ForQuantity
4312772

RoHS

Each
1+
kr 2,056.000
Total:kr 2,056.00
Min: 1 / Mult: 1
DUA55 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
4713133

RoHS

Each
1+
kr 3,845.000
Total:kr 3,845.00
Min: 1 / Mult: 1
DPC02 Series
2 x SPDT
5A
DIN Rail
-
Screw
24VDC
690VAC
-
3 Phase
7VA
177V
793V
-
4825129
Each
1+
kr 1,189.000
Total:kr 1,189.00
Min: 1 / Mult: 1
LPRC/2/WS Series
DPDT
5A
DIN Rail
-
Screw
250VAC
415VAC
-
3 Phase (3 Wire)
2.5VA
380VAC
415VAC
-
4312768

RoHS

Each
1+
kr 3,427.000
Total:kr 3,427.00
Min: 1 / Mult: 1
DPC01 Series
2 x SPDT
5A
DIN Rail
-
Screw
24VDC
690VAC
-
3 Phase
-
177V
793V
-
4826665

RoHS

Each
1+
kr 6,756.000
Total:kr 6,756.00
Min: 1 / Mult: 1
Harmony Series
DPDT
5A
DIN Rail
-
Screw
250VAC
690VAC
-
3 Phase
22VA
480VAC
690VAC
-
3487981

RoHS

Each
1+
kr 4,063.160
Total:kr 4,063.16
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484528

RoHS

Each
1+
kr 1,826.670
Total:kr 1,826.67
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484532

RoHS

Each
1+
kr 2,611.200
Total:kr 2,611.20
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484526

RoHS

Each
1+
kr 1,699.000
Total:kr 1,699.00
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
SPDT
60A
DIN Rail, Panel
-
Screw
690VAC
690VAC
-
3 Phase
5.8W
-
-
-
3484514

RoHS

Each
1+
kr 1,580.770
Total:kr 1,580.77
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3487979

RoHS

Each
1+
kr 3,875.810
Total:kr 3,875.81
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3487980

RoHS

Each
1+
kr 4,016.320
Total:kr 4,016.32
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484529

RoHS

Each
1+
kr 2,142.820
Total:kr 2,142.82
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484530

RoHS

Each
1+
kr 2,423.850
Total:kr 2,423.85
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484534

RoHS

Each
1+
kr 2,786.840
Total:kr 2,786.84
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
2076503

RoHS

Each
1+
kr 408.850
5+
kr 392.250
10+
kr 377.000
Total:kr 408.85
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
-
Screw
-
520VAC
-
3 Phase
8VA
77VAC
520VAC
-
3484517

RoHS

Each
1+
kr 1,814.960
Total:kr 1,814.96
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484521

RoHS

Each
1+
kr 1,674.440
Total:kr 1,674.44
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484536

RoHS

Each
1+
kr 3,524.530
Total:kr 3,524.53
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3487978

RoHS

Each
1+
kr 3,852.390
Total:kr 3,852.39
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484516

RoHS

Each
1+
kr 1,814.960
Total:kr 1,814.96
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484519

RoHS

Each
1+
kr 1,674.440
Total:kr 1,674.44
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484522

RoHS

Each
1+
kr 1,674.440
Total:kr 1,674.44
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484523

RoHS

Each
1+
kr 1,908.630
Total:kr 1,908.63
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484533

RoHS

Each
180+
kr 2,599.490
Total:kr 467,908.20
Min: 180 / Mult: 180
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
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