Monitoring Relays:

306 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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89C4381

RoHS

Date/Lot Code

Each
1+
$247.450
5+
$236.050
10+
$229.220
25+
$222.380
Min: 1 / Mult: 1
DPA01 Series
SPDT
8A
DIN Rail
05M4097

RoHS

Each
1+
$232.370
5+
$221.670
10+
$215.250
25+
$208.820
Min: 1 / Mult: 1
DPA53 Series
SPDT
5A
DIN Rail
86K0442

RoHS

Each
1+
$222.290
Min: 1 / Mult: 1
MWU Series
SPDT
5A
DIN Rail
05M4087

RoHS

Each
1+
$137.740
10+
$124.310
25+
$118.430
50+
$115.070
100+
$110.870
Min: 1 / Mult: 1
DIA53 Series
-
100mA
DIN Rail
16C3184

RoHS

Each
1+
$345.530
5+
$329.610
10+
$320.070
25+
$310.520
Min: 1 / Mult: 1
DPC01 Series
SPDT
8A
DIN Rail
03M5287
Each
1+
$210.170
Min: 1 / Mult: 1
SLU-100 Series
SPDT
10A
-
67C0900

RoHS

Each
1+
$147.870
5+
$141.060
10+
$136.970
25+
$132.890
Min: 1 / Mult: 1
DPA51 Series
SPDT
5A
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
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+
$497.210
5+
$485.600
10+
$473.990
25+
$450.790
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+
$179.550
5+
$171.280
10+
$166.320
25+
$161.360
Min: 1 / Mult: 1
DPA01 Series
DPDT
8A
DIN Rail
86K0429

RoHS

Each
1+
$233.400
Min: 1 / Mult: 1
MIC Series
SPDT
5A
DIN Rail
05M4095

RoHS

Each
1+
$190.110
5+
$181.360
10+
$176.100
25+
$170.850
Min: 1 / Mult: 1
DPA01 Series
SPDT
8A
DIN Rail
89C4384

RoHS

Each
1+
$531.120
5+
$506.660
10+
$491.980
25+
$477.300
Min: 1 / Mult: 1
DPC01 Series
SPDT
8A
DIN Rail
20X6558

RoHS

Each
1+
$1,356.330
5+
$1,259.450
10+
$1,175.490
Min: 1 / Mult: 1
EL3100 Series
SPST-NO
-
DIN Rail, Panel
68W6981

RoHS

Each
1+
$211.100
10+
$201.150
25+
$191.200
50+
$181.250
100+
$171.290
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
29X6960

RoHS

Date/Lot Code

Each
1+
$413.040
5+
$386.840
10+
$374.760
25+
$362.670
50+
$344.530
Min: 1 / Mult: 1
K8AK Series
SPDT
-
DIN Rail
38Y7644

RoHS

Date/Lot Code

Each
1+
$139.780
5+
$133.460
10+
$130.290
25+
$117.010
50+
$108.160
More Pricing...
Min: 1 / Mult: 1
K8AK Series
DPDT-NC
5A
DIN Rail
06X0740
Each
1+
$167.850
Min: 1 / Mult: 1
SLA Series
SPDT
10A
-
47X2115

RoHS

Each
1+
$172.520
Min: 1 / Mult: 1
MWS Series
SPDT
8A
DIN Rail
34AC8661

RoHS

Date/Lot Code

Each
1+
$237.830
5+
$217.720
10+
$197.610
25+
$184.890
50+
$176.490
Min: 1 / Mult: 1
201A Series
SPDT
10A
Socket
34AC4485

RoHS

Date/Lot Code

Each
1+
$313.300
5+
$296.120
10+
$278.940
25+
$266.330
Min: 1 / Mult: 1
PLMU Series
SPDT
10A
Socket
72Y1070

RoHS

Each
1+
$133.680
5+
$127.900
10+
$124.980
25+
$111.650
50+
$103.460
More Pricing...
Min: 1 / Mult: 1
K8DS Series
SPDT
5A
DIN Rail
34AC8662

RoHS

Date/Lot Code

Each
1+
$215.390
5+
$198.820
10+
$198.820
25+
$190.560
50+
$181.940
Min: 1 / Mult: 1
201A-AU Series
SPDT
10A
Socket
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