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
2784953

RoHS

Each
1+
CNY13,343.960
(CNY15,078.6748)
Min: 1 / Mult: 1
SE-601
SPST-NO, SPST-NC
-
DIN Rail, Panel
2930888

RoHS

Each
1+
CNY873.970
(CNY987.5861)
5+
CNY764.720
(CNY864.1336)
10+
CNY703.590
(CNY795.0567)
Min: 1 / Mult: 1
DTA72 Series
SPDT
8A
DIN Rail
3223706

RoHS

Each
1+
CNY1,618.440
(CNY1,828.8372)
Min: 1 / Mult: 1
CM-IWS
SPDT
-
DIN Rail
2784957

RoHS

Each
1+
CNY10,602.590
(CNY11,980.9267)
Min: 1 / Mult: 1
SE-105
SPST-NO
-
Surface Mount
3223709

RoHS

Each
1+
CNY2,049.330
(CNY2,315.7429)
Min: 1 / Mult: 1
CM-IWS
SPDT
-
DIN Rail
1895997

RoHS

Each
1+
CNY550.410
(CNY621.9633)
5+
CNY539.410
(CNY609.5333)
10+
CNY528.400
(CNY597.092)
Min: 1 / Mult: 1
-
SPST-NO
4A
DIN Rail
2784961

RoHS

Each
1+
CNY11,447.050
(CNY12,935.1665)
Min: 1 / Mult: 1
SE-325
SPST-NO
-
Surface Mount
2930883

RoHS

Each
1+
CNY1,022.090
(CNY1,154.9617)
Min: 1 / Mult: 1
DEB71 Series
SPDT
5A
DIN Rail
2784958

RoHS

Each
1+
CNY7,848.640
(CNY8,868.9632)
Min: 1 / Mult: 1
SE-701
SPST-NO, SPST-NC
-
DIN Rail, Panel
3223710

RoHS

Each
1+
CNY6,928.490
(CNY7,829.1937)
Min: 1 / Mult: 1
CM-IWN
DPDT
-
DIN Rail
3223348

RoHS

Each
1+
CNY1,927.740
(CNY2,178.3462)
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
2813563
Each
1+
CNY988.410
(CNY1,116.9033)
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
3223357

RoHS

Each
1+
CNY2,167.230
(CNY2,448.9699)
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
3223356

RoHS

Each
1+
CNY2,346.320
(CNY2,651.3416)
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
1896002

RoHS

Each
1+
CNY667.930
(CNY754.7609)
5+
CNY654.580
(CNY739.6754)
10+
CNY641.220
(CNY724.5786)
Min: 1 / Mult: 1
CM-PBE
SPST-NO
-
DIN Rail
1895999

RoHS

Each
1+
CNY690.490
(CNY780.2537)
5+
CNY676.690
(CNY764.6597)
10+
CNY662.880
(CNY749.0544)
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
2784951

RoHS

Each
1+
CNY29,270.870
(CNY33,076.0831)
Min: 1 / Mult: 1
SE-134C Series
SPST-NO, SPST-NC
-
Panel Mount
2784954

RoHS

Each
1+
CNY30,617.740
(CNY34,598.0462)
Min: 1 / Mult: 1
SE-330
DPST-NO, DPDT
-
Panel Mount
2811541

RoHS

Each
1+
CNY636.370
(CNY719.0981)
5+
CNY623.650
(CNY704.7245)
10+
CNY610.920
(CNY690.3396)
Min: 1 / Mult: 1
PDD 225 Series
SPST-NO, SPST-NO
-
DIN Rail
2885855

RoHS

Each
1+
CNY1,957.550
(CNY2,212.0315)
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
3223708

RoHS

Each
1+
CNY2,636.890
(CNY2,979.6857)
Min: 1 / Mult: 1
CM-IWS
SPDT
-
DIN Rail
3223715

RoHS

Each
1+
CNY2,186.550
(CNY2,470.8015)
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
2813561
Each
1+
CNY5,114.550
(CNY5,779.4415)
Min: 1 / Mult: 1
-
-
-
Panel Mount
2813562
Each
1+
CNY1,097.000
(CNY1,239.610)
Min: 1 / Mult: 1
460
SPDT
10A
DIN Rail
3223355

RoHS

Each
1+
CNY2,064.490
(CNY2,332.8737)
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
26-50 of 71 items
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