Monitoring Relays:

305 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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34AC8662

RoHS

Date/Lot Code

Each
1+
$250.040
5+
$228.910
10+
$207.800
25+
$194.450
50+
$185.650
Min: 1 / Mult: 1
201A-AU Series
SPDT
10A
Socket
45AC6247

RoHS

Each
1+
$208.230
5+
$198.640
10+
$192.880
25+
$187.130
Min: 1 / Mult: 1
DPA52 Series
SPDT
5A
DIN Rail
34AC8572

RoHS

Date/Lot Code

Each
1+
$351.540
5+
$322.280
10+
$293.030
25+
$274.780
Min: 1 / Mult: 1
102A Series
SPDT
10A
Panel Mount
34AC8741

RoHS

Date/Lot Code

Each
1+
$384.070
5+
$352.240
10+
$320.410
25+
$300.630
Min: 1 / Mult: 1
-
DPDT
10A
Panel Mount
34AC8900

RoHS

Date/Lot Code

Each
1+
$242.230
5+
$221.740
10+
$201.250
25+
$188.290
50+
$179.740
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
70Y5750

RoHS

Each
1+
$152.500
5+
$142.590
10+
$133.750
25+
$124.330
50+
$118.030
More Pricing...
Min: 1 / Mult: 1
K8AK Series
DPDT-NC
5A
DIN Rail
34AC8897

RoHS

Date/Lot Code

Each
1+
$411.610
5+
$377.630
10+
$343.640
25+
$322.570
Min: 1 / Mult: 1
455 Series
SPDT
10A
Panel Mount
72Y1059

RoHS

Each
1+
$283.690
5+
$264.510
10+
$256.320
25+
$247.560
50+
$236.080
Min: 1 / Mult: 1
K8AK Series
SPDT
5A
DIN Rail
23AH3164

RoHS

Each
1+
$470.230
5+
$455.300
10+
$434.740
25+
$414.130
50+
$360.850
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
66AH6834

RoHS

Each
1+
$268.400
Min: 1 / Mult: 1
Harmony RM22UA Series
DPDT
8A
DIN Rail
25C3239
Each
1+
$333.580
Min: 1 / Mult: 1
IAR.T Series
SPDT
10A
Socket
27R0566

RoHS

Each
1+
$281.170
5+
$268.220
10+
$260.450
25+
$252.680
Min: 1 / Mult: 1
DIB01 Series
SPDT
8A
DIN Rail
64X6343

RoHS

Each
1+
$5,923.270
Min: 1 / Mult: 1
SE-134C Series
SPST-NO, SPST-NC
-
Panel Mount
84X8729

RoHS

Date/Lot Code

Each
1+
$367.410
5+
$342.470
10+
$322.510
25+
$300.910
50+
$284.290
More Pricing...
Min: 1 / Mult: 1
K8AK Series
SPDT
5A
DIN Rail
72Y1051

RoHS

OMRON INDUSTRIAL AUTOMATION
Each
1+
$169.540
Min: 1 / Mult: 1
K8AK-AS Series
SPDT
5A
DIN Rail
34AC8913

RoHS

Date/Lot Code

Each
1+
$247.230
5+
$226.340
10+
$205.450
25+
$192.240
50+
$183.540
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail, Panel
66AH6836

RoHS

Each
1+
$225.210
Min: 1 / Mult: 1
Harmony RM22UB Series
DPDT
8A
DIN Rail
05M4096

RoHS

Each
1+
$223.310
5+
$213.020
10+
$206.850
25+
$200.680
Min: 1 / Mult: 1
DPA53 Series
SPDT
5A
DIN Rail
41Y4153

RoHS

Each
1+
$425.530
5+
$396.630
10+
$373.540
25+
$348.510
50+
$329.250
More Pricing...
Min: 1 / Mult: 1
K8AK-AS Series
SPDT
5A
DIN Rail
15AJ5694

RoHS

Date/Lot Code

Each
1+
$1,276.790
5+
$1,140.850
10+
$995.380
25+
$918.430
50+
$827.990
Min: 1 / Mult: 1
PC1 Series
SPDT
5A
DIN Rail
34AH3023

RoHS

Each
1+
$1,382.790
5+
$1,338.920
10+
$1,278.440
25+
$1,217.810
50+
$1,061.140
Min: 1 / Mult: 1
CM Series
DPDT
-
DIN Rail
55AJ2777

RoHS

Each
1+
$271.860
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
43W4762

RoHS

Date/Lot Code

Each
1+
$692.170
5+
$661.100
10+
$642.460
25+
$623.820
Min: 1 / Mult: 1
S142A Series
SPDT
8A
Socket
09P6654

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
Harmony RM17JC Series
SPDT
5A
DIN Rail
55T7542

RoHS

Each
1+
$186.930
10+
$178.160
25+
$169.390
50+
$160.620
100+
$151.850
Min: 1 / Mult: 1
CM-PFE Series
SPDT
4A
DIN Rail
26-50 of 305 items
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