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
4163397

RoHS

Each
1+
NT$4,395.470
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
4163408

RoHS

Each
1+
NT$2,395.970
5+
NT$2,345.260
10+
NT$2,290.060
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
4163410

RoHS

Each
1+
NT$2,608.470
5+
NT$2,557.360
10+
NT$2,505.430
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
4163399

RoHS

Each
1+
NT$1,658.940
5+
NT$1,623.780
10+
NT$1,585.340
Min: 1 / Mult: 1
-
SPDT
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
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
2677810

RoHS

Each
1+
NT$2,855.620
5+
NT$2,759.580
10+
NT$2,682.960
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
3111267

RoHS

Each
1+
NT$5,454.860
5+
NT$4,999.910
10+
NT$4,544.960
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
2102349

RoHS

Each
1+
NT$8,363.870
Min: 1 / Mult: 1
CM Series
DPDT
4A
DIN Rail
2677811

RoHS

Each
1+
NT$3,464.000
5+
NT$2,683.340
10+
NT$2,604.120
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
2887771

RoHS

Each
1+
NT$30,994.260
Min: 1 / Mult: 1
EL3100 Series
-
-
-
2780443

RoHS

Each
1+
NT$9,188.570
Min: 1 / Mult: 1
Harmony RM35UB3 Series
DPDT
5A
DIN Rail
3214129

RoHS

Each
1+
NT$11,140.480
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
3922060

RoHS

Each
1+
NT$4,506.770
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT-CO
8A
DIN Rail
2507215

RoHS

Each
1+
NT$4,712.920
Min: 1 / Mult: 1
K8AK Series
SPDT
5A
DIN Rail
2504231

RoHS

Each
1+
NT$3,477.270
5+
NT$3,407.730
10+
NT$3,338.180
Min: 1 / Mult: 1
K8AK Series
DPDT-NC
5A
DIN Rail
2612119

RoHS

Each
1+
NT$7,235.110
Min: 1 / Mult: 1
K8AK Series
SPDT
5A
DIN Rail
3111269

RoHS

Each
1+
NT$5,673.450
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
3223707

RoHS

Each
1+
NT$20,783.760
Min: 1 / Mult: 1
CM Series
DPDT
-
DIN Rail
9514430

RoHS

Each
1+
NT$24,002.890
Min: 1 / Mult: 1
BD 9080 Series
DPDT
-
DIN Rail
3214139

RoHS

Each
1+
NT$10,368.740
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
4259624
Each
1+
NT$4,939.650
Min: 1 / Mult: 1
SLU Series
SPDT
10A
Socket
3111265

RoHS

Each
1+
NT$4,203.120
Min: 1 / Mult: 1
Harmony RM22JA Series
DPDT
8A
DIN Rail
3223721

RoHS

Each
1+
NT$8,707.040
Min: 1 / Mult: 1
CM Series
DPDT
4A
DIN Rail
9515046

RoHS

Each
1+
NT$3,686.330
5+
NT$3,612.610
10+
NT$3,538.880
Min: 1 / Mult: 1
-
SPST-NC
-
DIN Rail
26-50 of 206 items
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