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
2811545

RoHS

Each
1+
HK$313.220
5+
HK$309.960
10+
HK$306.690
20+
HK$300.560
Min: 1 / Mult: 1
SM 301 Series
SPDT
5A
DIN Rail
2784953

RoHS

Each
1+
HK$14,466.650
Min: 1 / Mult: 1
SE-601
SPST-NO, SPST-NC
-
DIN Rail, Panel
2780436

RoHS

Each
1+
HK$1,617.210
5+
HK$1,584.870
10+
HK$1,552.530
Min: 1 / Mult: 1
Zelio RM17UBE
SPDT
5A
DIN Rail
2835320

RoHS

Each
1+
HK$1,469.660
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
2295791

RoHS

Each
1+
HK$939.470
5+
HK$836.800
10+
HK$820.070
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
3223706

RoHS

Each
1+
HK$2,251.110
Min: 1 / Mult: 1
CM-IWS
SPDT
-
DIN Rail
2102326

RoHS

Each
1+
HK$1,036.280
5+
HK$852.850
10+
HK$835.800
Min: 1 / Mult: 1
CM-PFS.S
SPDT
-
DIN Rail
2780435

RoHS

Each
1+
HK$1,684.290
Min: 1 / Mult: 1
Zelio RM17UB3
SPDT
5A
DIN Rail
2784957

RoHS

Each
1+
HK$11,786.810
Min: 1 / Mult: 1
SE-105
SPST-NO
-
Surface Mount
3223709

RoHS

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

RoHS

Each
1+
HK$2,721.900
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
1895997

RoHS

Each
1+
HK$680.330
5+
HK$666.730
10+
HK$653.120
Min: 1 / Mult: 1
-
SPST-NO
4A
DIN Rail
2102346

RoHS

Each
1+
HK$2,093.450
Min: 1 / Mult: 1
CM-SRS.2
DPDT
4A
DIN Rail
2784961

RoHS

Each
1+
HK$12,725.580
Min: 1 / Mult: 1
SE-325
SPST-NO
-
Surface Mount
2784958

RoHS

Each
1+
HK$8,725.260
Min: 1 / Mult: 1
SE-701
SPST-NO, SPST-NC
-
DIN Rail, Panel
3223710

RoHS

Each
1+
HK$6,238.230
Min: 1 / Mult: 1
CM-IWN
DPDT
-
DIN Rail
3223348

RoHS

Each
1+
HK$2,066.180
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
2780438

RoHS

Each
1+
HK$1,473.970
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
2813563
Each
1+
HK$1,103.380
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
3223357

RoHS

Each
1+
HK$2,322.870
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
3223356

RoHS

Each
1+
HK$2,241.860
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
1896002

RoHS

Each
1+
HK$766.710
5+
HK$751.380
10+
HK$736.050
Min: 1 / Mult: 1
CM-PBE
SPST-NO
-
DIN Rail
1895999

RoHS

Each
1+
HK$826.700
5+
HK$810.170
10+
HK$793.640
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
2102318

RoHS

Each
1+
HK$2,439.900
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
76-100 of 188 items
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