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
4300428

RoHS

Each
1+
HK$1,413.430
Min: 1 / Mult: 1
DIB01 Series
SPDT
8A
DIN Rail
4163413

RoHS

Each
1+
HK$551.680
5+
HK$529.640
10+
HK$519.260
20+
HK$509.250
Min: 1 / Mult: 1
MP Temperature Control Relays
SPST-NO, SPST-NO
5A
DIN Rail
4163401

RoHS

Each
1+
HK$466.710
5+
HK$403.300
10+
HK$395.430
20+
HK$387.770
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
4163403

RoHS

Each
1+
HK$376.790
5+
HK$361.740
10+
HK$354.650
20+
HK$347.750
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
4163405

RoHS

Each
1+
HK$530.230
5+
HK$458.170
10+
HK$449.140
20+
HK$440.500
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
4163396

RoHS

Each
1+
HK$729.590
5+
HK$630.340
10+
HK$618.010
20+
HK$606.170
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
4163414

RoHS

Each
1+
HK$721.100
5+
HK$623.020
10+
HK$610.830
20+
HK$599.070
Min: 1 / Mult: 1
MP Temperature Control Relays
SPST-NO, SPST-NC
5A
DIN Rail
4163404

RoHS

Each
1+
HK$530.230
5+
HK$458.170
10+
HK$449.140
20+
HK$440.500
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
4163406

RoHS

Each
1+
HK$530.230
5+
HK$458.170
10+
HK$449.140
20+
HK$440.500
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
4163411

RoHS

Each
1+
HK$566.840
5+
HK$544.110
10+
HK$533.530
20+
HK$523.130
Min: 1 / Mult: 1
MP Temperature Control Relays
DPDT
5A
DIN Rail
4163419

RoHS

Each
1+
HK$787.080
5+
HK$755.610
10+
HK$740.850
20+
HK$726.580
Min: 1 / Mult: 1
MP Temperature Control Relays
SPDT
10A
DIN Rail
4163398

RoHS

Each
1+
HK$551.010
5+
HK$528.970
10+
HK$518.570
20+
HK$508.670
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
4163402

RoHS

Each
1+
HK$356.200
5+
HK$341.930
10+
HK$335.230
20+
HK$328.820
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
4163397

RoHS

Each
1+
HK$782.130
5+
HK$675.790
10+
HK$662.490
20+
HK$649.860
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
4163408

RoHS

Each
1+
HK$601.120
5+
HK$519.350
10+
HK$509.150
20+
HK$499.350
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
4163410

RoHS

Each
1+
HK$629.820
5+
HK$604.570
10+
HK$592.810
20+
HK$581.260
Min: 1 / Mult: 1
MP Temperature Control Relays
DPDT
5A
DIN Rail
4163399

RoHS

Each
1+
HK$416.120
5+
HK$359.600
10+
HK$352.510
20+
HK$345.720
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
4163395

RoHS

Each
1+
HK$576.060
5+
HK$553.050
10+
HK$542.270
20+
HK$531.780
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
4163407

RoHS

Each
1+
HK$510.990
5+
HK$490.510
10+
HK$480.800
20+
HK$471.570
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
4319898

RoHS

Each
1+
HK$2,621.940
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
SPDT
3A
DIN Rail
2056305

RoHS

Each
1+
HK$3,061.760
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
1344233

RoHS

Each
1+
HK$746.910
5+
HK$683.770
10+
HK$620.620
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
1824777

RoHS

Each
1+
HK$855.650
5+
HK$799.410
10+
HK$785.050
20+
HK$769.350
Min: 1 / Mult: 1
DIA53
SPST-NO
100mA
DIN Rail
2056347

RoHS

Each
1+
HK$1,763.520
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
2455513

RoHS

Each
1+
HK$802.720
5+
HK$778.610
10+
HK$763.040
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
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