Monitoring Relays:

309 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
03M5287
Each
1+
$250.200
Total:$250.20
Min: 1 / Mult: 1
SLU-100 Series
SPDT
10A
-
05M4087

RoHS

Each
1+
$137.740
10+
$124.310
25+
$118.430
50+
$115.070
100+
$110.870
Total:$137.74
Min: 1 / Mult: 1
DIA53 Series
-
100mA
DIN Rail
05M4097

RoHS

Each
1+
$242.130
5+
$231.430
10+
$225.000
25+
$218.580
Total:$242.13
Min: 1 / Mult: 1
DPA53 Series
SPDT
5A
DIN Rail
86K0442

RoHS

Each
1+
$262.440
Total:$262.44
Min: 1 / Mult: 1
MWU Series
SPDT
5A
DIN Rail
16C3184

RoHS

Each
1+
$360.040
5+
$344.130
10+
$334.580
25+
$325.030
Total:$360.04
Min: 1 / Mult: 1
DPC01 Series
SPDT
8A
DIN Rail
89C4381

RoHS

Date/Lot Code

Each
1+
$257.850
5+
$246.450
10+
$239.610
25+
$232.770
Total:$257.85
Min: 1 / Mult: 1
DPA01 Series
SPDT
8A
DIN Rail
29M7937

RoHS

Date/Lot Code

Each
1+
$341.080
5+
$332.560
10+
$324.040
25+
$306.990
50+
$289.930
More Pricing...
Total:$341.08
Min: 1 / Mult: 1
PMD Series
DPDT
10A
DIN Rail
67C0900

RoHS

Each
1+
$154.090
5+
$147.270
10+
$143.190
25+
$139.100
Total:$154.09
Min: 1 / Mult: 1
DPA51 Series
SPDT
5A
DIN Rail
29M9956

RoHS

Date/Lot Code

Each
1+
$259.630
5+
$253.140
10+
$246.660
25+
$233.680
50+
$220.690
More Pricing...
Total:$259.63
Min: 1 / Mult: 1
PMP Series
SPDT
10A
Socket
16C3176

RoHS

Each
1+
$187.100
5+
$178.830
10+
$173.870
25+
$168.900
Total:$187.10
Min: 1 / Mult: 1
DPA01 Series
DPDT
8A
DIN Rail
05M4095

RoHS

Each
1+
$198.110
5+
$189.350
10+
$184.100
25+
$178.840
Total:$198.11
Min: 1 / Mult: 1
DPA01 Series
SPDT
8A
DIN Rail
89C4384

RoHS

Each
1+
$553.430
5+
$528.970
10+
$514.290
25+
$499.610
Total:$553.43
Min: 1 / Mult: 1
DPC01 Series
SPDT
8A
DIN Rail
20X6558

RoHS

Each
1+
$1,466.500
5+
$1,385.970
10+
$1,305.440
Total:$1,466.50
Min: 1 / Mult: 1
EL3100 Series
SPST-NO
-
DIN Rail, Panel
68W6981

RoHS

Each
1+
$242.310
10+
$231.170
25+
$220.040
50+
$208.910
100+
$197.770
Total:$242.31
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
72Y1070

RoHS

Each
1+
$140.670
5+
$134.810
10+
$131.860
25+
$118.320
50+
$110.010
More Pricing...
Total:$140.67
Min: 1 / Mult: 1
K8DS Series
SPDT
5A
DIN Rail
29X6960

RoHS

Date/Lot Code

Each
1+
$431.170
5+
$404.980
10+
$392.890
25+
$380.810
50+
$362.670
Total:$431.17
Min: 1 / Mult: 1
K8AK Series
SPDT
-
DIN Rail
66Y0750

RoHS

Each
1+
$263.550
10+
$250.380
25+
$237.190
50+
$224.020
100+
$210.840
Total:$263.55
Min: 1 / Mult: 1
CM Series
DPDT
4A
DIN Rail
38Y7644

RoHS

Date/Lot Code

Each
1+
$145.470
5+
$139.140
10+
$135.990
25+
$122.700
50+
$113.850
More Pricing...
Total:$145.47
Min: 1 / Mult: 1
K8AK Series
DPDT-NC
5A
DIN Rail
06X0740
Each
1+
$176.240
Total:$176.24
Min: 1 / Mult: 1
SLA Series
SPDT
10A
-
47X2115

RoHS

Each
1+
$202.500
Total:$202.50
Min: 1 / Mult: 1
MWS Series
SPDT
8A
DIN Rail
70Y5750

RoHS

Each
1+
$160.480
5+
$150.420
10+
$141.450
25+
$131.890
50+
$125.510
More Pricing...
Total:$160.48
Min: 1 / Mult: 1
K8AK Series
DPDT-NC
5A
DIN Rail
72Y1059

RoHS

Each
1+
$299.330
5+
$279.850
10+
$271.550
25+
$262.660
50+
$251.000
Total:$299.33
Min: 1 / Mult: 1
K8AK Series
SPDT
5A
DIN Rail
34AC8661

RoHS

Date/Lot Code

Each
1+
$249.970
5+
$228.810
10+
$207.680
25+
$194.310
50+
$185.500
Total:$249.97
Min: 1 / Mult: 1
201A Series
SPDT
10A
Socket
34AC4485

RoHS

Date/Lot Code

Each
1+
$329.280
5+
$311.230
10+
$293.170
25+
$279.920
Total:$329.28
Min: 1 / Mult: 1
PLMU Series
SPDT
10A
Socket
34AC8662

RoHS

Date/Lot Code

Each
1+
$257.540
5+
$235.780
10+
$214.020
25+
$200.290
50+
$191.230
Total:$257.54
Min: 1 / Mult: 1
201A-AU Series
SPDT
10A
Socket
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