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
2811541

RoHS

Each
1+
HK$481.360
5+
HK$476.280
10+
HK$471.190
Min: 1 / Mult: 1
PDD 225 Series
SPST-NO, SPST-NO
-
DIN Rail
2885855

RoHS

Each
1+
HK$2,525.270
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
3214133

RoHS

Each
1+
HK$2,228.860
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
3223708

RoHS

Each
1+
HK$2,886.240
Min: 1 / Mult: 1
CM-IWS
SPDT
-
DIN Rail
3223715

RoHS

Each
1+
HK$2,078.480
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
2813561
Each
1+
HK$6,480.090
Min: 1 / Mult: 1
-
-
-
Panel Mount
3214128

RoHS

Each
1+
HK$2,766.270
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
2102323

RoHS

Each
1+
HK$2,294.590
Min: 1 / Mult: 1
CM-MPN
DPDT
5A
DIN Rail
2915307

RoHS

Each
1+
HK$747.940
5+
HK$732.990
10+
HK$718.030
Min: 1 / Mult: 1
EMD
SPDT
5A
DIN Rail
2813562
Each
1+
HK$1,252.410
Min: 1 / Mult: 1
460
SPDT
10A
DIN Rail
2915306

RoHS

Each
1+
HK$747.940
5+
HK$732.990
10+
HK$718.030
Min: 1 / Mult: 1
EMD
SPDT
5A
DIN Rail
3223355

RoHS

Each
1+
HK$2,285.080
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
3223716

RoHS

Each
1+
HK$1,836.100
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
2784959

RoHS

Each
1+
HK$39,140.790
Min: 1 / Mult: 1
SE 134C
SPST-NO, SPST-NC
-
Panel Mount
3223722

RoHS

Each
1+
HK$1,704.360
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
3223349

RoHS

Each
1+
HK$1,021.660
5+
HK$840.780
10+
HK$823.970
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
2507217

RoHS

Each
1+
HK$2,007.930
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
2780441

RoHS

Each
1+
HK$1,355.400
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
2780437

RoHS

Each
1+
HK$1,022.080
5+
HK$1,001.640
10+
HK$981.200
Min: 1 / Mult: 1
Zelio RM22TU
DPDT
8A
DIN Rail
3223718

RoHS

Each
1+
HK$1,704.360
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
3223724

RoHS

Each
1+
HK$1,704.360
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
3223353

RoHS

Each
1+
HK$2,234.460
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
3223717

RoHS

Each
1+
HK$1,654.640
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
3223713

RoHS

Each
1+
HK$2,018.040
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
3223354

RoHS

Each
1+
HK$2,198.780
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
101-125 of 188 items
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