Monitoring Relays:

218 Products Found

Newark 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
23AH3163

RoHS

Each
1+
$353.490
5+
$342.260
10+
$326.810
25+
$311.310
50+
$271.260
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
23AH3168

RoHS

Each
1+
$270.130
5+
$261.560
10+
$249.750
25+
$237.900
50+
$207.300
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
34AH3017

RoHS

Each
1+
$201.490
10+
$191.980
25+
$182.450
50+
$172.940
100+
$163.420
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
92AH2394

RoHS

Each
1+
$280.390
5+
$250.380
10+
$232.460
25+
$202.290
50+
$181.850
More Pricing...
Min: 2 / Mult: 1
-
SPDT
5A
DIN Rail
34AH2993

RoHS

Each
1+
$338.010
5+
$327.280
10+
$312.500
25+
$297.680
50+
$259.380
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
34AH3022

RoHS

Each
1+
$469.570
5+
$458.530
10+
$447.480
25+
$425.390
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
34AH2994

RoHS

Each
1+
$519.680
5+
$503.190
10+
$480.460
25+
$457.670
50+
$398.800
Min: 1 / Mult: 1
CM-IWS
SPDT
-
DIN Rail
34AH3019

RoHS

Each
1+
$469.730
5+
$458.640
10+
$447.540
25+
$425.350
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
95M9376
Each
1+
$167.580
Min: 1 / Mult: 1
SPM Series
SPST-NO
5A
-
44AC2546

RoHS

Each
1+
$60.980
5+
$55.820
10+
$54.350
25+
$53.380
50+
$51.060
More Pricing...
Min: 1 / Mult: 1
SM 301 Series
SPDT
5A
DIN Rail
44AC2643

RoHS

Each
1+
$108.630
5+
$99.960
10+
$98.710
25+
$96.640
50+
$92.510
More Pricing...
Min: 1 / Mult: 1
PDD 225 Series
SPST-NO, SPST-NO
-
DIN Rail
42M1919

RoHS

Each
1+
$122.170
10+
$111.730
25+
$110.250
50+
$107.580
100+
$100.730
More Pricing...
Min: 1 / Mult: 1
IK 9169
SPST-NC
-
DIN Rail
80AK6461

RoHS

Each
1+
$522.670
5+
$506.080
10+
$483.230
25+
$460.310
50+
$401.090
Min: 1 / Mult: 1
CM-MPN Series
DPDT
4A
DIN Rail
80AK3865

RoHS

Each
1+
$106.690
10+
$97.570
25+
$96.280
50+
$93.960
100+
$87.970
More Pricing...
Min: 1 / Mult: 1
70 Series
DPDT
8A
DIN Rail
80AK3863

RoHS

Each
1+
$99.080
10+
$90.610
25+
$89.400
50+
$87.250
100+
$81.690
More Pricing...
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
97AK4965

RoHS

Each
1+
$264.730
5+
$255.690
10+
$243.230
25+
$230.740
50+
$198.460
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
97AK4962

RoHS

Each
1+
$316.850
5+
$306.040
10+
$291.120
25+
$276.160
50+
$237.530
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
87AK0977

RoHS

Each
1+
$0.945
10+
$0.945
25+
$0.945
50+
$0.945
100+
$0.945
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
201-218 of 218 items
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