Monitoring Relays:

312 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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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+
$158.100
5+
$148.190
10+
$139.350
25+
$129.930
50+
$123.630
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+
$294.890
5+
$275.710
10+
$267.520
25+
$258.770
50+
$247.290
Min: 1 / Mult: 1
K8AK Series
SPDT
5A
DIN Rail
23AH3164

RoHS

Each
1+
$488.010
5+
$473.080
10+
$452.520
25+
$431.900
50+
$378.630
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
66AH6834

RoHS

Each
1+
$278.990
Min: 1 / Mult: 1
Harmony RM22UA Series
DPDT
8A
DIN Rail
25C3239
Each
1+
$350.260
Min: 1 / Mult: 1
IAR.T Series
SPDT
10A
Socket
27R0566

RoHS

Each
1+
$294.450
5+
$281.500
10+
$273.730
25+
$265.960
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
72Y1051

RoHS

OMRON INDUSTRIAL AUTOMATION
Each
1+
$178.230
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+
$235.540
Min: 1 / Mult: 1
Harmony RM22UB Series
DPDT
8A
DIN Rail
05M4096

RoHS

Each
1+
$232.690
5+
$222.400
10+
$216.230
25+
$210.060
Min: 1 / Mult: 1
DPA53 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+
$1,435.100
5+
$1,391.230
10+
$1,330.750
25+
$1,270.120
50+
$1,113.450
Min: 1 / Mult: 1
CM Series
DPDT
-
DIN Rail
43W4762

RoHS

Date/Lot Code

Each
1+
$720.500
5+
$689.430
10+
$670.790
25+
$652.150
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+
$193.850
10+
$185.080
25+
$176.310
50+
$167.540
100+
$158.770
Min: 1 / Mult: 1
CM-PFE Series
SPDT
4A
DIN Rail
09P6672

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
Harmony RM35UB3 Series
DPDT
5A
DIN Rail
34AC6498

RoHS

Date/Lot Code

Each
1+
$180.430
5+
$165.010
10+
$149.600
25+
$139.730
50+
$133.190
More Pricing...
Min: 1 / Mult: 1
TCS Series
SPST-NO
1A
DIN Rail
12AH0513
Each
1+
$346.540
5+
$331.600
10+
$322.640
25+
$313.670
Min: 1 / Mult: 1
DPC01 Series
2 x SPDT
5A
DIN Rail
23AH3169

RoHS

Each
1+
$458.680
5+
$444.650
10+
$425.320
25+
$405.940
50+
$355.870
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
50AJ8750

RoHS

Each
1+
$152.380
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
26AK3439

RoHS

Each
1+
$270.150
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT-CO
8A
DIN Rail
26-50 of 312 items
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