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
4163403

RoHS

Each
1+
HK$505.510
5+
HK$485.310
10+
HK$475.760
20+
HK$466.530
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
4163413

RoHS

Each
1+
HK$740.120
5+
HK$710.480
10+
HK$696.590
20+
HK$683.130
Min: 1 / Mult: 1
MP Temperature Control Relays
SPST-NO, SPST-NO
5A
DIN Rail
4163411

RoHS

Each
1+
HK$760.430
5+
HK$730.030
10+
HK$715.700
20+
HK$701.910
Min: 1 / Mult: 1
MP Temperature Control Relays
DPDT
5A
DIN Rail
4163419

RoHS

Each
1+
HK$1,055.950
5+
HK$1,013.720
10+
HK$993.960
20+
HK$974.750
Min: 1 / Mult: 1
MP Temperature Control Relays
SPDT
10A
DIN Rail
4163398

RoHS

Each
1+
HK$739.260
5+
HK$709.620
10+
HK$695.720
20+
HK$682.360
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
4163402

RoHS

Each
1+
HK$477.820
5+
HK$458.710
10+
HK$449.700
20+
HK$441.130
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
4163410

RoHS

Each
1+
HK$760.430
5+
HK$730.030
10+
HK$715.700
20+
HK$701.910
Min: 1 / Mult: 1
MP Temperature Control Relays
DPDT
5A
DIN Rail
4163395

RoHS

Each
1+
HK$772.920
5+
HK$741.970
10+
HK$727.420
20+
HK$713.420
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
4163407

RoHS

Each
1+
HK$685.510
5+
HK$658.050
10+
HK$645.130
20+
HK$632.650
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
4319898

RoHS

Each
1+
HK$2,064.130
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
SPDT
3A
DIN Rail
2056305

RoHS

Each
1+
HK$2,999.450
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$859.820
5+
HK$816.840
10+
HK$791.040
20+
HK$775.220
Min: 1 / Mult: 1
DIA53
SPST-NO
100mA
DIN Rail
2056347

RoHS

Each
1+
HK$1,698.170
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
2455513

RoHS

Each
1+
HK$786.380
5+
HK$762.770
10+
HK$747.520
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
2780442

RoHS

Each
1+
HK$1,204.490
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
2835320

RoHS

Each
1+
HK$1,439.750
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
2811519

RoHS

Each
1+
HK$585.360
5+
HK$579.230
10+
HK$573.100
Min: 1 / Mult: 1
PDD 225 Series
DPDT
5A
DIN Rail
3223705

RoHS

Each
1+
HK$4,517.730
Min: 1 / Mult: 1
CM-IWS
SPDT
-
DIN Rail
3111268

RoHS

Each
1+
HK$881.210
5+
HK$725.260
10+
HK$710.760
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
2295793

RoHS

Each
1+
HK$923.980
5+
HK$905.510
10+
HK$887.030
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
1895998

RoHS

Each
1+
HK$797.420
5+
HK$656.340
10+
HK$643.220
Min: 1 / Mult: 1
CM-PFE
SPDT
4A
DIN Rail
2811520

RoHS

Each
1+
HK$685.570
5+
HK$678.780
10+
HK$671.980
Min: 1 / Mult: 1
PDD 225 Series
DPDT
5A
DIN Rail
4259624
Each
1+
HK$1,267.340
Min: 1 / Mult: 1
-
SPDT
10A
Socket
2677810

RoHS

Each
1+
HK$910.890
5+
HK$892.680
10+
HK$874.460
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
1-25 of 188 items
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