Monitoring Relays:

189 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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4319898

RoHS

Each
1+
HK$1,633.200
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
SPDT
3A
DIN Rail
2056305

RoHS

Each
1+
HK$2,448.810
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
1344233

RoHS

Each
1+
HK$730.630
5+
HK$672.980
10+
HK$615.330
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
1824777

RoHS

Each
1+
HK$706.640
5+
HK$692.510
10+
HK$678.380
20+
HK$664.250
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$758.800
5+
HK$736.020
10+
HK$721.300
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
2811519

RoHS

Each
1+
HK$564.840
5+
HK$558.920
10+
HK$553.000
Min: 1 / Mult: 1
PDD 225 Series
DPDT
5A
DIN Rail
2835320

RoHS

Each
1+
HK$1,339.610
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
2780442

RoHS

Each
1+
HK$1,178.230
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
3223705

RoHS

Each
1+
HK$4,232.360
Min: 1 / Mult: 1
CM-IWS
SPDT
-
DIN Rail
3111268

RoHS

Each
1+
HK$770.270
5+
HK$633.950
10+
HK$621.280
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
2295793

RoHS

Each
1+
HK$891.580
5+
HK$873.750
10+
HK$855.920
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
1895998

RoHS

Each
1+
HK$739.860
5+
HK$608.960
10+
HK$596.790
Min: 1 / Mult: 1
CM-PFE
SPDT
4A
DIN Rail
2811520

RoHS

Each
1+
HK$605.690
5+
HK$599.690
10+
HK$593.690
Min: 1 / Mult: 1
PDD 225 Series
DPDT
5A
DIN Rail
2102326

RoHS

Each
1+
HK$958.890
5+
HK$789.170
10+
HK$773.390
Min: 1 / Mult: 1
CM-PFS.S
SPDT
-
DIN Rail
2677810

RoHS

Each
1+
HK$434.340
5+
HK$425.650
10+
HK$416.960
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
3111267

RoHS

Each
1+
HK$1,125.060
5+
HK$1,102.560
10+
HK$1,080.060
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
3214134

RoHS

Each
1+
HK$2,532.380
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
2102349

RoHS

Each
1+
HK$1,946.810
Min: 1 / Mult: 1
CM-SRS.2
DPDT
4A
DIN Rail
2677811

RoHS

Each
1+
HK$745.670
5+
HK$722.980
10+
HK$705.400
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
2780443

RoHS

Each
1+
HK$2,411.920
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$2,512.770
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
3922060

RoHS

Each
1+
HK$1,057.440
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
2507215

RoHS

Each
1+
HK$1,108.930
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
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