Monitoring Relays:

188 Products Found

Element14 offers a comprehensive range of monitoring relays, ideal for safeguarding electrical systems and ensuring optimal performance. Our selection includes current, ground fault, insulation, phase and temperature monitoring relays from leading manufacturers. Designed to enhance safety and efficiency, these relays are available in various configurations for industrial and commercial applications.

Monitoring relays are protective devices that monitor key electrical parameters such as current, voltage, phase sequence, insulation resistance and temperature. They detect anomalies and trigger alerts or corrective actions to prevent equipment damage and system failure. These relays play a vital role in protecting motors, generators and other critical electrical equipment.

Current Monitoring Relays – Detect overcurrent, undercurrent and phase imbalance to protect motors and equipment. Ground Fault Monitoring Relays – Identify leakage currents to prevent electrical hazards and improve safety. Insulation Monitoring Relays – Measure insulation resistance to detect faults before they cause failure. Phase Monitoring Relays – Monitor phase sequence, loss and imbalance to ensure stable operation. Temperature Monitoring Relays – Detect overheating and activate cooling or shutdown systems.

Applications:

  • Industrial Automation – Protect motors and equipment from electrical faults.
  • HVAC Systems – Ensure efficient operation and prevent overheating.
  • Power Distribution – Maintain system stability and prevent blackouts.
  • Renewable Energy – Monitor electrical health in solar and wind systems.
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ComparePrice ForQuantity
4300430

RoHS

Each
1+
HK$1,103.700
Min: 1 / Mult: 1
PPB01 Series
SPDT
8A
Socket
4244791

RoHS

Each
1+
HK$1,255.120
5+
HK$1,230.020
10+
HK$1,204.920
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail
4469399

RoHS

Each
1+
HK$976.130
5+
HK$927.300
10+
HK$898.040
Min: 1 / Mult: 1
DTA04 Series
2 x SPST-NO
8A
DIN Rail
4163414

RoHS

Each
1+
HK$740.120
5+
HK$710.480
10+
HK$696.590
20+
HK$683.130
Min: 1 / Mult: 1
MP Temperature Control Relays
SPST-NO, SPST-NC
5A
DIN Rail
4163405

RoHS

Each
1+
HK$604.630
5+
HK$580.520
10+
HK$569.130
20+
HK$558.160
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
4163404

RoHS

Each
1+
HK$604.630
5+
HK$580.520
10+
HK$569.130
20+
HK$558.160
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
4163401

RoHS

Each
1+
HK$532.210
5+
HK$510.940
10+
HK$500.940
20+
HK$491.390
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
4163396

RoHS

Each
1+
HK$831.980
5+
HK$798.650
10+
HK$783.020
20+
HK$768.030
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
4236649

RoHS

Each
1+
HK$937.250
5+
HK$827.750
10+
HK$811.200
Min: 1 / Mult: 1
MWS Series
SPDT
8A
DIN Rail
4236647

RoHS

Each
1+
HK$1,269.580
Min: 1 / Mult: 1
MIC Series
SPDT
5A
DIN Rail
4163406

RoHS

Each
1+
HK$604.630
5+
HK$580.520
10+
HK$569.130
20+
HK$558.160
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
4469396

RoHS

Each
1+
HK$523.210
5+
HK$496.990
10+
HK$481.290
Min: 1 / Mult: 1
EISH Series
SPST-NO
1A
DIN Rail, Panel
4163397

RoHS

Each
1+
HK$891.910
5+
HK$856.300
10+
HK$839.460
20+
HK$823.400
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
4163408

RoHS

Each
1+
HK$685.510
5+
HK$658.050
10+
HK$645.130
20+
HK$632.650
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
4163399

RoHS

Each
1+
HK$474.570
5+
HK$455.560
10+
HK$446.660
20+
HK$438.080
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
4163409

RoHS

Each
1+
HK$760.430
5+
HK$730.030
10+
HK$715.700
20+
HK$701.910
Min: 1 / Mult: 1
MP Temperature Control Relays
DPDT
5A
DIN Rail
4244798

RoHS

Each
1+
HK$739.090
5+
HK$724.310
10+
HK$709.530
Min: 1 / Mult: 1
70 Series
DPDT
8A
DIN Rail
4259621
Each
1+
HK$865.580
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
4259625
Each
1+
HK$1,165.090
Min: 1 / Mult: 1
-
SPDT
10A
Socket
1390500

RoHS

Each
1+
HK$1,700.370
Min: 1 / Mult: 1
3UG
SPST-NC
-
DIN Rail
2784953

RoHS

Each
1+
HK$14,217.560
Min: 1 / Mult: 1
SE-601
SPST-NO, SPST-NC
-
DIN Rail, Panel
2780436

RoHS

Each
1+
HK$1,584.300
5+
HK$1,552.620
10+
HK$1,520.930
Min: 1 / Mult: 1
Zelio RM17UBE
SPDT
5A
DIN Rail
2811545

RoHS

Each
1+
HK$297.910
5+
HK$294.800
10+
HK$291.690
20+
HK$285.860
Min: 1 / Mult: 1
SM 301 Series
SPDT
5A
DIN Rail
2295791

RoHS

Each
1+
HK$875.480
5+
HK$834.760
10+
HK$818.070
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
2780434

RoHS

Each
1+
HK$1,109.670
Min: 1 / Mult: 1
Zelio RM35JA
DPDT
8A
DIN Rail
51-75 of 188 items
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