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
2930888

RoHS

Each
1+
HK$822.380
5+
HK$812.820
10+
HK$803.260
Min: 1 / Mult: 1
DTA72 Series
SPDT
8A
DIN Rail
3050817

RoHS

Each
1+
HK$915.820
5+
HK$897.510
10+
HK$879.190
Min: 1 / Mult: 1
70 Series
DPDT
8A
DIN Rail, Panel
3223706

RoHS

Each
1+
HK$2,155.400
Min: 1 / Mult: 1
CM-IWS
SPDT
-
DIN Rail
2102326

RoHS

Each
1+
HK$1,015.190
5+
HK$835.490
10+
HK$818.790
Min: 1 / Mult: 1
CM-PFS.S
SPDT
-
DIN Rail
2784957

RoHS

Each
1+
HK$11,583.850
Min: 1 / Mult: 1
SE-105
SPST-NO
-
Surface Mount
2780435

RoHS

Each
1+
HK$1,650.010
Min: 1 / Mult: 1
Zelio RM17UB3
SPDT
5A
DIN Rail
2780440

RoHS

Each
1+
HK$1,462.040
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
3223709

RoHS

Each
1+
HK$1,850.300
Min: 1 / Mult: 1
CM-IWS
SPDT
-
DIN Rail
3214134

RoHS

Each
1+
HK$2,666.500
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
1895997

RoHS

Each
1+
HK$666.480
5+
HK$653.160
10+
HK$639.830
Min: 1 / Mult: 1
-
SPST-NO
4A
DIN Rail
2102346

RoHS

Each
1+
HK$1,991.110
Min: 1 / Mult: 1
CM-SRS.2
DPDT
4A
DIN Rail
2784961

RoHS

Each
1+
HK$12,551.920
Min: 1 / Mult: 1
SE-325
SPST-NO
-
Surface Mount
2784958

RoHS

Each
1+
HK$8,575.020
Min: 1 / Mult: 1
SE-701
SPST-NO, SPST-NC
-
DIN Rail, Panel
2930883

RoHS

Each
1+
HK$1,107.530
Min: 1 / Mult: 1
DEB71 Series
SPDT
5A
DIN Rail
3223348

RoHS

Each
1+
HK$2,010.870
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
3223710

RoHS

Each
1+
HK$6,111.270
Min: 1 / Mult: 1
CM-IWN
DPDT
-
DIN Rail
2813563
Each
1+
HK$1,103.380
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
2780438

RoHS

Each
1+
HK$1,473.970
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
3223357

RoHS

Each
1+
HK$2,260.710
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
3223356

RoHS

Each
1+
HK$2,196.230
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
1896002

RoHS

Each
1+
HK$751.110
5+
HK$736.090
10+
HK$721.070
Min: 1 / Mult: 1
CM-PBE
SPST-NO
-
DIN Rail
1895999

RoHS

Each
1+
HK$809.880
5+
HK$793.690
10+
HK$777.490
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
2102318

RoHS

Each
1+
HK$2,320.600
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
2784951

RoHS

Each
1+
HK$32,890.860
Min: 1 / Mult: 1
SE-134C Series
SPST-NO, SPST-NC
-
Panel Mount
2784954

RoHS

Each
1+
HK$33,451.380
Min: 1 / Mult: 1
SE-330
DPST-NO, DPDT
-
Panel Mount
76-100 of 188 items
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