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Current Monitoring Relays:

128 Products Found

Farnell provides a wide range of current monitoring relays, ensuring reliable protection for electrical systems in industrial and commercial settings. With various current thresholds and adjustable settings, our relays deliver precise monitoring and quick response to overcurrent and undercurrent conditions.

Current monitoring relays detect abnormal current flow in electrical circuits. They protect motors, transformers and other electrical equipment by disconnecting the circuit when a current fault is detected, preventing overheating and equipment damage.

Key Features:

  • Adjustable current ranges and trip delays for tailored protection.
  • Overcurrent and undercurrent detection to prevent motor burnout.
  • Single-phase and three-phase compatibility for versatile use.

Applications:

  • Motor Protection – Prevent damage from overloading and phase imbalance.
  • Power Distribution – Maintain stability in electrical grids.
  • Industrial Equipment – Ensure smooth operation of heavy machinery.
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ComparePrice ForQuantity
3484470

RoHS

Each
1+
kr1,674.320
Total:kr1,674.32
Min: 1 / Mult: 1
SIRIUS 3RR2 Series
SPST
3A
Contactor
400V
Screw
-
240V
1.6A
16A
2.5W
-
3484483

RoHS

Each
1+
kr3,140.790
Total:kr3,140.79
Min: 1 / Mult: 1
SIRIUS 3RR2 Series
SPST
3A
Contactor
400V
Screw
-
240V
1.6A
16A
2.5W
-
3484499

RoHS

Each
1+
kr4,410.960
Total:kr4,410.96
Min: 1 / Mult: 1
SIRIUS 3RR2 Series
SPST
3A
Contactor
230V
Spring
-
24VDC
4A
40A
2.5W
-
3487971

RoHS

Each
1+
kr4,018.360
Total:kr4,018.36
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
3484487

RoHS

Each
1+
kr3,533.380
Total:kr3,533.38
Min: 1 / Mult: 1
SIRIUS 3RR2 Series
SPST
3A
Contactor
400V
Screw
-
240V
4A
40A
2.5W
-
3484495

RoHS

Each
1+
kr4,607.260
Total:kr4,607.26
Min: 1 / Mult: 1
SIRIUS 3RR2 Series
SPST
3A
Contactor
400V
Screw, Spring
-
240V
8A
80A
2.5W
-
3487976

RoHS

Each
1+
kr3,221.010
Total:kr3,221.01
Min: 1 / Mult: 1
SENTRON Series
-
-
-
-
-
-
-
-
-
-
-
3484471

RoHS

Each
1+
kr1,580.670
Total:kr1,580.67
Min: 1 / Mult: 1
SIRIUS 3RR2 Series
SPST
3A
Contactor
400V
Spring
-
24VDC
1.6A
16A
2.5W
-
3484475

RoHS

Each
1+
kr1,879.390
Total:kr1,879.39
Min: 1 / Mult: 1
SIRIUS 3RR2 Series
SPST
3A
Contactor
400V
Spring
-
24VDC
4A
40A
2.5W
-
3484481

RoHS

Each
1+
kr2,736.640
Total:kr2,736.64
Min: 1 / Mult: 1
SIRIUS 3RR2 Series
SPST
3A
Contactor
400V
Spring
-
240V
8A
80A
2.5W
-
3484512

RoHS

Each
1+
kr4,168.470
Total:kr4,168.47
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
3484479

RoHS

Each
1+
kr2,899.920
Total:kr2,899.92
Min: 1 / Mult: 1
SIRIUS 3RR2 Series
SPST
3A
Contactor
400V
Screw
-
240V
8A
80A
2.5W
-
3484502

RoHS

Each
1+
kr2,332.500
Total:kr2,332.50
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
3558890

RoHS

Each
1+
kr12,701.710
Total:kr12,701.71
Min: 1 / Mult: 1
MINIZED Series
-
-
-
-
-
-
-
-
-
-
-
3487974

RoHS

Each
1+
kr2,891.910
Total:kr2,891.91
Min: 1 / Mult: 1
SENTRON Series
-
-
-
-
-
-
-
-
-
-
-
3484486

RoHS

Each
1+
kr3,337.090
Total:kr3,337.09
Min: 1 / Mult: 1
SIRIUS 3RR2 Series
SPST
3A
Contactor
400V
Screw
-
24VDC
4A
40A
2.5W
-
3484480

RoHS

Each
1+
kr2,494.150
Total:kr2,494.15
Min: 1 / Mult: 1
SIRIUS 3RR2 Series
SPST
3A
Contactor
400V
Spring
-
24VDC
8A
80A
2.5W
-
3484510

RoHS

Each
1+
kr2,967.580
Total:kr2,967.58
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
3484500

RoHS

Each
1+
kr6,143.010
Total:kr6,143.01
Min: 1 / Mult: 1
SIRIUS 3RR2 Series
-
-
-
-
-
-
-
-
-
-
-
3484484

RoHS

Each
1+
kr3,057.650
Total:kr3,057.65
Min: 1 / Mult: 1
SIRIUS 3RR2 Series
SPST
3A
Contactor
400V
Spring
-
24VDC
1.6A
16A
2.5W
-
3484474

RoHS

Each
1+
kr1,951.440
Total:kr1,951.44
Min: 1 / Mult: 1
SIRIUS 3RR2 Series
SPST
3A
Contactor
400V
Screw
-
240V
4A
40A
2.5W
-
3484478

RoHS

Each
1+
kr2,494.150
Total:kr2,494.15
Min: 1 / Mult: 1
SIRIUS 3RR2 Series
SPST
3A
Contactor
400V
Screw
-
24VDC
8A
80A
2.5W
-
3484494

RoHS

Each
1+
kr4,364.770
Total:kr4,364.77
Min: 1 / Mult: 1
SIRIUS 3RR2 Series
SPST
3A
Contactor
400V
Screw, Spring
-
24VDC
8A
80A
2.5W
-
3484497

RoHS

Each
1+
kr3,868.250
Total:kr3,868.25
Min: 1 / Mult: 1
SIRIUS 3RR2 Series
SPST
3A
Contactor
230V
Spring
-
24VDC
1.6A
16A
2.5W
-
3484511

RoHS

Each
1+
kr4,087.640
Total:kr4,087.64
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
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