Monitoring Relays:

210 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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34AC8900

RoHS

Date/Lot Code

Each
1+
$196.840
5+
$183.920
10+
$171.000
25+
$161.540
50+
$154.670
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
34AC8897

RoHS

Date/Lot Code

Each
1+
$346.690
5+
$323.870
10+
$301.060
25+
$284.350
Min: 1 / Mult: 1
455 Series
SPDT
10A
Panel Mount
23AH3164

RoHS

Each
1+
$349.090
5+
$337.750
10+
$322.110
25+
$306.430
50+
$265.920
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
25C3239
Each
1+
$230.970
Min: 1 / Mult: 1
IR.T Series
SPDT
10A
Socket
64X6343

RoHS

Each
1+
$5,502.270
Min: 1 / Mult: 1
SE-134C Series
SPST-NO, SPST-NC
-
Panel Mount
72Y1051

RoHS

OMRON INDUSTRIAL AUTOMATION
Each
1+
$252.590
5+
$247.330
10+
$242.060
25+
$231.540
50+
$221.010
More Pricing...
Min: 1 / Mult: 1
K8AK-AS
SPDT
5A
DIN Rail
34AC8913

RoHS

Date/Lot Code

Each
1+
$184.760
5+
$169.150
10+
$153.530
25+
$143.670
50+
$137.170
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail, Panel
66AH6836

RoHS

Each
1+
$166.490
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
23AH3162

RoHS

Each
1+
$268.040
5+
$259.320
10+
$247.310
25+
$235.280
50+
$204.180
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
55AJ2778

RoHS

Each
1+
$259.840
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
05M4096

RoHS

Each
1+
$159.230
5+
$151.310
10+
$146.560
25+
$141.810
Min: 1 / Mult: 1
DPA53 Series
SPDT
5A
DIN Rail
34AC4095

RoHS

Date/Lot Code

Each
1+
$120.020
5+
$112.160
10+
$104.310
25+
$98.540
50+
$94.370
More Pricing...
Min: 1 / Mult: 1
-
SPST-NO
5A
Panel Mount
34AH3023

RoHS

Each
1+
$1,027.520
5+
$994.130
10+
$948.100
25+
$901.950
50+
$782.730
Min: 1 / Mult: 1
CM-IWN
DPDT
-
DIN Rail
55AJ2777

RoHS

Each
1+
$212.280
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
15AJ5694

RoHS

Date/Lot Code

Each
1+
$430.350
5+
$430.350
10+
$430.350
25+
$430.350
50+
$430.350
Min: 1 / Mult: 1
PC1 Series
SPDT
5A
DIN Rail
43W4762

RoHS

Date/Lot Code

Each
1+
$469.350
5+
$445.890
10+
$431.810
25+
$417.730
Min: 1 / Mult: 1
S142A Series
SPDT
8A
Socket
09P6654

RoHS

Date/Lot Code

Each
1+
$186.100
10+
$157.540
25+
$149.240
50+
$140.960
100+
$132.660
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
55T7542

RoHS

Each
1+
$128.550
10+
$122.410
25+
$116.280
50+
$110.140
100+
$104.010
Min: 1 / Mult: 1
CM-PFE
SPDT
4A
DIN Rail
09P6672

RoHS

Date/Lot Code

Each
1+
$284.520
5+
$277.400
10+
$270.290
25+
$256.070
50+
$241.830
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
23AH3169

RoHS

Each
1+
$309.090
5+
$299.050
10+
$285.200
25+
$271.320
50+
$235.450
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
50AJ8750

RoHS

Each
1+
$134.050
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
26AK3439

RoHS

Each
1+
$170.200
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
11R2673

RoHS

Each
1+
$179.390
10+
$154.080
25+
$148.040
50+
$141.470
100+
$129.610
More Pricing...
Min: 1 / Mult: 1
MK 9056
DPDT
-
DIN Rail
66AH6827

RoHS

Each
1+
$158.530
10+
$150.900
25+
$140.860
50+
$126.300
100+
$118.510
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
92K6354

RoHS

Date/Lot Code

Each
1+
$93.540
5+
$86.350
10+
$86.350
25+
$86.350
50+
$86.350
More Pricing...
Min: 1 / Mult: 1
-
SPST-NO
5A
Surface Mount
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