Monitoring Relays:

212 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
86K0430

RoHS

Each
1+
$191.610
Min: 1 / Mult: 1
HIH Series
SPDT
5A
DIN Rail
89C4384

RoHS

Each
1+
$376.640
5+
$357.810
10+
$346.510
25+
$335.210
Min: 1 / Mult: 1
DPC01 Series
SPDT
8A
DIN Rail
86K0429

RoHS

Each
1+
$162.180
Min: 1 / Mult: 1
MIC Series
SPDT
5A
DIN Rail
35M1034

RoHS

Each
1+
$331.840
5+
$323.540
10+
$315.250
25+
$298.660
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
SPDT
3A
DIN Rail
30M2660

RoHS

Date/Lot Code

Each
1+
$139.800
10+
$125.830
Min: 1 / Mult: 1
841 Series
SPDT
15A
DIN Rail
05M4095

RoHS

Each
1+
$134.820
5+
$128.080
10+
$124.040
25+
$119.990
Min: 1 / Mult: 1
DPA01 Series
SPDT
8A
DIN Rail
03M5287
Each
1+
$176.610
Min: 1 / Mult: 1
SLU-100 Series
SPDT
10A
-
16C3184

RoHS

Each
1+
$245.030
5+
$232.780
10+
$225.430
25+
$218.080
Min: 1 / Mult: 1
DPC01 Series
SPDT
8A
DIN Rail
16C3176

RoHS

Each
1+
$127.330
5+
$120.970
10+
$117.150
25+
$113.330
Min: 1 / Mult: 1
DPA01 Series
DPDT
8A
DIN Rail
86K0442

RoHS

Each
1+
$152.790
Min: 1 / Mult: 1
MWU Series
SPDT
5A
DIN Rail
29M9956

RoHS

Date/Lot Code

Each
1+
$194.040
5+
$189.190
10+
$184.340
25+
$174.640
50+
$164.940
More Pricing...
Min: 1 / Mult: 1
PMP Series
SPDT
10A
Socket
89C4381

RoHS

Each
1+
$175.480
5+
$166.710
10+
$161.450
25+
$156.180
Min: 1 / Mult: 1
DPA01 Series
SPDT
8A
DIN Rail
05M4097

RoHS

Each
1+
$164.780
5+
$156.550
10+
$151.600
25+
$146.660
Min: 1 / Mult: 1
DPA53 Series
SPDT
5A
DIN Rail
29M7937

RoHS

Date/Lot Code

Each
1+
$254.910
5+
$248.540
10+
$242.180
25+
$229.430
50+
$216.680
More Pricing...
Min: 1 / Mult: 1
PMD Series
DPDT
10A
DIN Rail
67C0900

RoHS

Each
1+
$105.600
5+
$100.360
10+
$97.210
25+
$94.070
Min: 1 / Mult: 1
DPA51 Series
SPDT
5A
DIN Rail
06X0740
Each
1+
$139.550
Min: 1 / Mult: 1
SLA Series
SPDT
10A
-
20X6558

RoHS

Each
1+
$966.670
5+
$913.600
10+
$860.520
Min: 1 / Mult: 1
EL3100 Series
SPST-NO
-
DIN Rail, Panel
68W6981

RoHS

Each
1+
$145.730
10+
$138.750
25+
$131.770
50+
$124.790
100+
$117.810
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
47X2115

RoHS

Each
1+
$119.870
Min: 1 / Mult: 1
MWS Series
SPDT
8A
DIN Rail
34AC8661

RoHS

Date/Lot Code

Each
1+
$195.370
5+
$182.550
10+
$169.730
25+
$160.330
50+
$153.510
Min: 1 / Mult: 1
201A Series
SPDT
10A
Socket
34AC8900

RoHS

Date/Lot Code

Each
1+
$196.840
5+
$183.920
10+
$171.000
25+
$161.540
50+
$154.670
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
66Y0750

RoHS

Each
1+
$196.970
10+
$187.130
25+
$177.270
50+
$167.430
100+
$157.570
Min: 1 / Mult: 1
-
DPDT
4A
DIN Rail
34AC8897

RoHS

Date/Lot Code

Each
1+
$346.690
5+
$323.870
10+
$301.060
25+
$284.350
Min: 1 / Mult: 1
455 Series
SPDT
10A
Panel Mount
34AC4485

RoHS

Date/Lot Code

Each
1+
$215.030
5+
$203.240
10+
$191.450
25+
$182.790
Min: 1 / Mult: 1
PLMU Series
SPDT
10A
Socket
34AC8572

RoHS

Date/Lot Code

Each
1+
$288.300
5+
$269.340
10+
$250.380
25+
$236.490
Min: 1 / Mult: 1
102A Series
SPDT
10A
Panel Mount
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