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
2780442

RoHS

Each
1+
HK$1,229.510
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
3223705

RoHS

Each
1+
HK$4,611.590
Min: 1 / Mult: 1
CM-IWS
SPDT
-
DIN Rail
3111268

RoHS

Each
1+
HK$918.200
5+
HK$755.670
10+
HK$740.560
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
2295793

RoHS

Each
1+
HK$938.160
5+
HK$919.400
10+
HK$900.640
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
1895998

RoHS

Each
1+
HK$809.670
5+
HK$666.420
10+
HK$653.100
Min: 1 / Mult: 1
CM-PFE
SPDT
4A
DIN Rail
2811520

RoHS

Each
1+
HK$741.800
5+
HK$734.450
10+
HK$727.100
Min: 1 / Mult: 1
PDD 225 Series
DPDT
5A
DIN Rail
2780440

RoHS

Each
1+
HK$1,492.420
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
2677810

RoHS

Each
1+
HK$623.350
5+
HK$521.660
10+
HK$501.620
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
3111267

RoHS

Each
1+
HK$1,351.960
5+
HK$1,324.930
10+
HK$1,297.890
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
4259624
Each
1+
HK$1,246.200
Min: 1 / Mult: 1
-
SPDT
10A
Socket
2102349

RoHS

Each
1+
HK$2,130.480
Min: 1 / Mult: 1
CM-SRS.2
DPDT
4A
DIN Rail
2677811

RoHS

Each
1+
HK$835.540
5+
HK$805.530
10+
HK$784.280
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
2780443

RoHS

Each
1+
HK$2,840.120
Min: 1 / Mult: 1
Zelio RM35UB3
DPDT
5A
DIN Rail
2887771

RoHS

Each
1+
HK$6,940.150
Min: 1 / Mult: 1
EL3100 Series
-
-
-
3214129

RoHS

Each
1+
HK$2,834.520
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
3922060

RoHS

Each
1+
HK$1,103.460
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
2507215

RoHS

Each
1+
HK$1,157.190
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
2504231

RoHS

Each
1+
HK$770.330
5+
HK$749.240
10+
HK$727.620
Min: 1 / Mult: 1
K8AK
DPDT-NC
5A
DIN Rail
2507225

RoHS

Each
1+
HK$542.090
5+
HK$531.250
10+
HK$520.410
Min: 1 / Mult: 1
K8DS
SPDT
5A
DIN Rail
2612119

RoHS

Each
1+
HK$2,090.630
Min: 1 / Mult: 1
K8AK-TH Series
SPDT
5A
DIN Rail
2784951

RoHS

Each
1+
HK$32,890.860
Min: 1 / Mult: 1
SE-134C Series
SPST-NO, SPST-NC
-
Panel Mount
3223707

RoHS

Each
1+
HK$5,088.780
Min: 1 / Mult: 1
CM-IWN
DPDT
-
DIN Rail
3111269

RoHS

Each
1+
HK$1,587.800
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
9514430

RoHS

Each
1+
HK$6,432.530
Min: 1 / Mult: 1
BD 9080
DPDT
-
DIN Rail
9515399

RoHS

Each
1+
HK$1,252.320
5+
HK$1,220.320
10+
HK$1,190.250
Min: 1 / Mult: 1
MK 9056
DPDT
-
DIN Rail
26-50 of 188 items
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