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.
Show More
View
Buyer
Engineer
Manufacturer
Product Range
Contact Configuration
Contact Current
Relay Mounting
Packaging
No Filter(s) Applied
0 Filter(s) Selected
ComparePrice ForQuantity
3223716

RoHS

Each
1+
CNY1,699.570
(CNY1,920.5141)
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
2784959

RoHS

Each
1+
CNY35,208.350
(CNY39,785.4355)
Min: 1 / Mult: 1
SE 134C
SPST-NO, SPST-NC
-
Panel Mount
3223722

RoHS

Each
1+
CNY1,792.990
(CNY2,026.0787)
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
3223349

RoHS

Each
1+
CNY880.880
(CNY995.3944)
5+
CNY863.270
(CNY975.4951)
10+
CNY845.650
(CNY955.5845)
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
3223718

RoHS

Each
1+
CNY1,792.990
(CNY2,026.0787)
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
3223724

RoHS

Each
1+
CNY1,792.990
(CNY2,026.0787)
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
3223353

RoHS

Each
1+
CNY1,966.980
(CNY2,222.6874)
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
3223717

RoHS

Each
1+
CNY1,740.680
(CNY1,966.9684)
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
3223713

RoHS

Each
1+
CNY2,122.980
(CNY2,398.9674)
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
3223354

RoHS

Each
1+
CNY1,672.680
(CNY1,890.1284)
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
3223720

RoHS

Each
1+
CNY1,740.680
(CNY1,966.9684)
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
3223714

RoHS

Each
1+
CNY2,122.980
(CNY2,398.9674)
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
3223719

RoHS

Each
1+
CNY2,710.470
(CNY3,062.8311)
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
3223712

RoHS

Each
1+
CNY2,186.550
(CNY2,470.8015)
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
9515046

RoHS

Each
1+
CNY684.050
(CNY772.9765)
5+
CNY681.050
(CNY769.5865)
10+
CNY624.940
(CNY706.1822)
Min: 1 / Mult: 1
IK 9179
SPST-NC
-
DIN Rail
1390498

RoHS

Each
1+
CNY1,283.710
(CNY1,450.5923)
Min: 1 / Mult: 1
3UG
DPDT
3A
DIN Rail
2811533

RoHS

Each
1+
CNY307.850
(CNY347.8705)
5+
CNY301.700
(CNY340.921)
10+
CNY295.540
(CNY333.9602)
20+
CNY289.380
(CNY326.9994)
Min: 1 / Mult: 1
SM500 Series
DPDT
5A
DIN Rail
9515020

RoHS

Each
1+
CNY684.050
(CNY772.9765)
5+
CNY681.050
(CNY769.5865)
10+
CNY624.940
(CNY706.1822)
Min: 1 / Mult: 1
IK 9169
SPST-NC
-
DIN Rail
4244799

RoHS

Each
1+
CNY620.640
(CNY701.3232)
5+
CNY608.230
(CNY687.2999)
10+
CNY595.820
(CNY673.2766)
Min: 1 / Mult: 1
70 Series
DPDT
8A
DIN Rail
1344226

RoHS

Each
1+
CNY1,106.370
(CNY1,250.1981)
5+
CNY995.720
(CNY1,125.1636)
10+
CNY937.620
(CNY1,059.5106)
Min: 1 / Mult: 1
-
SPDT
10A
DIN Rail
4259623
Each
1+
CNY1,283.340
(CNY1,450.1742)
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
51-71 of 71 items
of 3 page(s)

Popular Suppliers

ABB
SCHNEIDER ELECTRIC
OMRON
EATON MOELLER
SIEMENS
TE CONNECTIVITY
PANASONIC
CROUZET
electronical-license
Trade Account