Monitoring Relays:

206 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
9515399

RoHS

Each
1+
NT$5,016.500
5+
NT$4,799.360
10+
NT$4,613.410
Min: 1 / Mult: 1
-
DPDT
-
DIN Rail
2507225

RoHS

Each
1+
NT$1,993.190
5+
NT$1,953.330
10+
NT$1,928.060
Min: 1 / Mult: 1
K8DS Series
SPDT
5A
DIN Rail
4319898

RoHS

Each
1+
NT$10,971.560
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
SPDT
3A
DIN Rail
2056305

RoHS

Each
1+
NT$12,126.970
Min: 1 / Mult: 1
Harmony RM35 Series
DPDT
5A
DIN Rail
2056304

RoHS

Each
1+
NT$5,079.930
5+
NT$4,978.340
10+
NT$4,876.740
Min: 1 / Mult: 1
Harmony RM17 Series
DPDT
5A
DIN Rail
1344233

RoHS

Each
1+
NT$2,947.960
5+
NT$2,696.100
10+
NT$2,444.240
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
1824777

RoHS

Each
1+
NT$3,210.700
5+
NT$3,051.160
10+
NT$2,955.550
20+
NT$2,896.440
Min: 1 / Mult: 1
DIA53 Series
SPST-NO
100mA
DIN Rail
2056347

RoHS

Each
1+
NT$6,992.480
Min: 1 / Mult: 1
Harmony RM35JA Series
DPDT
5A
DIN Rail
2811519

RoHS

Each
1+
NT$2,612.020
5+
NT$2,585.010
10+
NT$2,558.000
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
2780442

RoHS

Each
1+
NT$4,374.150
Min: 1 / Mult: 1
Harmony RM22UB Series
DPDT
8A
DIN Rail
3111268

RoHS

Each
1+
NT$2,948.080
5+
NT$2,726.110
10+
NT$2,504.130
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
3223705

RoHS

Each
1+
NT$18,625.670
Min: 1 / Mult: 1
CM Series
SPDT
-
DIN Rail
2295793

RoHS

Each
1+
NT$3,821.180
5+
NT$3,744.760
10+
NT$3,668.340
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
1895998

RoHS

Each
1+
NT$3,177.030
5+
NT$2,623.040
10+
NT$2,570.580
Min: 1 / Mult: 1
CM-PFE Series
SPDT
4A
DIN Rail
2811520

RoHS

Each
1+
NT$2,966.400
5+
NT$2,937.300
10+
NT$2,908.190
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
4163413

RoHS

Each
1+
NT$2,399.780
5+
NT$2,352.760
10+
NT$2,304.920
Min: 1 / Mult: 1
-
SPST-NO, SPST-NO
5A
DIN Rail
4163401

RoHS

Each
1+
NT$1,860.400
5+
NT$1,820.730
10+
NT$1,778.210
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
4163403

RoHS

Each
1+
NT$1,670.230
5+
NT$1,634.650
10+
NT$1,596.220
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
4163405

RoHS

Each
1+
NT$2,113.680
5+
NT$2,069.110
10+
NT$2,020.450
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
4163396

RoHS

Each
1+
NT$2,908.320
5+
NT$2,846.160
10+
NT$2,779.510
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
4163407

RoHS

Each
1+
NT$2,264.710
5+
NT$2,216.460
10+
NT$2,164.530
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
4163395

RoHS

Each
1+
NT$2,553.860
5+
NT$2,499.070
10+
NT$2,440.600
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
4163406

RoHS

Each
1+
NT$2,113.680
5+
NT$2,069.110
10+
NT$2,020.450
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
4163411

RoHS

Each
1+
NT$2,465.770
5+
NT$2,417.110
10+
NT$2,368.450
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
4163419

RoHS

Each
1+
NT$3,422.700
Min: 1 / Mult: 1
-
SPDT
10A
DIN Rail
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