Monitoring Relays:

300 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
86K0442

RoHS

Each
1+
$202.260
Min: 1 / Mult: 1
MWU Series
SPDT
5A
DIN Rail
89C4381

RoHS

Each
1+
$227.960
5+
$216.570
10+
$209.730
25+
$202.890
Min: 1 / Mult: 1
DPA01 Series
SPDT
8A
DIN Rail
05M4097

RoHS

Each
1+
$217.660
5+
$206.960
10+
$200.540
25+
$194.120
Min: 1 / Mult: 1
DPA53 Series
SPDT
5A
DIN Rail
03M5287
Each
1+
$210.170
Min: 1 / Mult: 1
SLU-100 Series
SPDT
10A
-
16C3184

RoHS

Each
1+
$318.310
5+
$302.400
10+
$292.850
25+
$283.300
Min: 1 / Mult: 1
DPC01 Series
SPDT
8A
DIN Rail
29M7937

RoHS

Date/Lot Code

Each
1+
$331.140
5+
$322.870
10+
$314.600
25+
$298.050
50+
$281.480
More Pricing...
Min: 1 / Mult: 1
PMD Series
DPDT
10A
DIN Rail
67C0900

RoHS

Each
1+
$137.180
5+
$130.370
10+
$126.290
25+
$122.200
Min: 1 / Mult: 1
DPA51 Series
SPDT
5A
DIN Rail
29M9956

RoHS

Date/Lot Code

Each
1+
$252.070
5+
$245.770
10+
$239.470
25+
$226.870
50+
$214.270
More Pricing...
Min: 1 / Mult: 1
PMP Series
SPDT
10A
Socket
35M1034

RoHS

Each
1+
$461.350
5+
$450.360
10+
$439.380
25+
$417.420
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
SPDT
3A
DIN Rail
30M2660

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
841 Series
SPDT
15A
DIN Rail
16C3176

RoHS

Each
1+
$165.410
5+
$157.140
10+
$152.180
25+
$147.220
Min: 1 / Mult: 1
DPA01 Series
DPDT
8A
DIN Rail
86K0429

RoHS

Each
1+
$214.690
Min: 1 / Mult: 1
MIC Series
SPDT
5A
DIN Rail
05M4095

RoHS

Each
1+
$175.140
5+
$166.390
10+
$161.130
25+
$155.880
Min: 1 / Mult: 1
DPA01 Series
SPDT
8A
DIN Rail
89C4384

RoHS

Each
1+
$489.280
5+
$464.820
10+
$450.140
25+
$435.460
Min: 1 / Mult: 1
DPC01 Series
SPDT
8A
DIN Rail
20X6558

RoHS

Each
1+
$1,395.300
5+
$1,318.680
10+
$1,242.080
Min: 1 / Mult: 1
EL3100 Series
SPST-NO
-
DIN Rail, Panel
68W6981

RoHS

Each
1+
$192.920
10+
$183.680
25+
$174.440
50+
$165.190
100+
$155.960
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
29X6960

RoHS

Each
1+
$383.090
5+
$358.190
10+
$346.700
25+
$335.200
50+
$317.970
Min: 1 / Mult: 1
K8AK Series
SPDT
-
DIN Rail
06X0740
Each
1+
$167.850
Min: 1 / Mult: 1
SLA Series
SPDT
10A
-
47X2115

RoHS

Each
1+
$158.690
Min: 1 / Mult: 1
MWS Series
SPDT
8A
DIN Rail
34AC8661

RoHS

Date/Lot Code

Each
1+
$258.630
5+
$241.660
10+
$224.680
25+
$212.240
50+
$203.220
Min: 1 / Mult: 1
201A Series
SPDT
10A
Socket
34AC4485

RoHS

Date/Lot Code

Each
1+
$281.970
5+
$266.510
10+
$251.050
25+
$239.700
Min: 1 / Mult: 1
PLMU Series
SPDT
10A
Socket
34AC8662

RoHS

Date/Lot Code

Each
1+
$266.860
5+
$249.340
10+
$231.830
25+
$218.980
50+
$209.690
Min: 1 / Mult: 1
201A-AU Series
SPDT
10A
-
66Y0750

RoHS

Each
1+
$255.880
10+
$243.090
25+
$230.290
50+
$217.500
100+
$204.700
Min: 1 / Mult: 1
-
DPDT
4A
DIN Rail
06AC2593

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
Zelio Series
DPDT
8A
DIN Rail
45AC6247

RoHS

Each
1+
$193.770
5+
$184.180
10+
$178.420
25+
$172.670
Min: 1 / Mult: 1
DPA52 Series
SPDT
5A
DIN Rail
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