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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34AC8572

RoHS

Date/Lot Code

Each
1+
$381.660
5+
$356.550
10+
$331.450
25+
$313.060
Min: 1 / Mult: 1
102A Series
SPDT
10A
Panel Mount
34AC8741

RoHS

Date/Lot Code

Each
1+
$418.800
5+
$391.250
10+
$363.680
25+
$343.500
Min: 1 / Mult: 1
250A Series
DPDT
10A
Panel Mount
34AC8900

RoHS

Date/Lot Code

Each
1+
$258.110
5+
$241.180
10+
$224.240
25+
$211.830
50+
$202.820
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
34AC8897

RoHS

Date/Lot Code

Each
1+
$450.380
5+
$420.730
10+
$391.090
25+
$369.380
Min: 1 / Mult: 1
455 Series
SPDT
10A
Panel Mount
23AH3164

RoHS

Each
1+
$453.490
5+
$438.760
10+
$418.440
25+
$398.070
50+
$345.450
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
25C3239
Each
1+
$305.760
Min: 1 / Mult: 1
IR.T Series
SPDT
10A
Socket
64X6343

RoHS

Each
1+
$7,283.950
Min: 1 / Mult: 1
SE-134C Series
SPST-NO, SPST-NC
-
Panel Mount
84X8729

RoHS

Date/Lot Code

Each
1+
$341.530
5+
$317.810
10+
$298.840
25+
$278.280
50+
$262.480
More Pricing...
Min: 1 / Mult: 1
K8AK-PM Series
SPDT
5A
DIN Rail
72Y1051

RoHS

OMRON INDUSTRIAL AUTOMATION
Each
1+
$334.380
5+
$327.420
10+
$320.440
25+
$306.510
50+
$292.570
More Pricing...
Min: 1 / Mult: 1
K8AK-AS
SPDT
5A
DIN Rail
34AC8913

RoHS

Date/Lot Code

Each
1+
$242.280
5+
$221.810
10+
$201.330
25+
$188.390
50+
$179.870
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail, Panel
66AH6836

RoHS

Each
1+
$220.400
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
23AH3162

RoHS

Each
1+
$354.830
5+
$343.290
10+
$327.390
25+
$311.460
50+
$270.290
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
55AJ2778

RoHS

Each
1+
$337.550
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
05M4096

RoHS

Each
1+
$206.850
5+
$196.560
10+
$190.390
25+
$184.220
Min: 1 / Mult: 1
DPA53 Series
SPDT
5A
DIN Rail
41Y4153

RoHS

Each
1+
$419.620
5+
$392.140
10+
$370.150
25+
$346.320
50+
$328.000
More Pricing...
Min: 1 / Mult: 1
K8AK Series
SPDT
5A
DIN Rail
34AC4095

RoHS

Date/Lot Code

Each
1+
$155.910
5+
$145.700
10+
$135.500
25+
$128.010
50+
$122.590
More Pricing...
Min: 1 / Mult: 1
-
SPST-NO
5A
Panel Mount
34AH3023

RoHS

Each
1+
$1,360.240
5+
$1,316.040
10+
$1,255.100
25+
$1,194.010
50+
$1,036.180
Min: 1 / Mult: 1
CM-IWN
DPDT
-
DIN Rail
55AJ2777

RoHS

Each
1+
$281.020
Min: 1 / Mult: 1
Zelio
DPDT
8A
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
43W4762

RoHS

Date/Lot Code

Each
1+
$621.330
5+
$590.270
10+
$571.630
25+
$552.990
Min: 1 / Mult: 1
S142A Series
SPDT
8A
Socket
55T7542

RoHS

Each
1+
$170.170
10+
$162.050
25+
$153.930
50+
$145.800
100+
$137.680
Min: 1 / Mult: 1
CM-PFE
SPDT
4A
DIN Rail
09P6654

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
-
SPDT
5A
DIN Rail
09P6672

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
-
DPDT
5A
DIN Rail
23AH3169

RoHS

Each
1+
$426.220
5+
$412.380
10+
$393.280
25+
$374.140
50+
$324.680
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
50AJ8750

RoHS

Each
1+
$177.450
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
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