Monitoring Relays:

217 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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ComparePrice forQuantity
69AK8670

RoHS

Each
1+
$165.950
100+
$139.860
250+
$128.490
500+
$123.270
1000+
$117.110
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
69AK8655

RoHS

Each
1+
$48.860
100+
$48.860
250+
$48.860
500+
$48.860
1000+
$48.860
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
69AK8662

RoHS

Each
1+
$110.320
100+
$92.980
250+
$85.420
500+
$81.960
1000+
$77.850
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
80AK3864

RoHS

Each
1+
$103.580
10+
$94.740
25+
$93.470
50+
$91.220
100+
$85.410
More Pricing...
Min: 1 / Mult: 1
70 Series
DPDT
8A
DIN Rail
80AK3862

RoHS

Each
1+
$191.180
10+
$164.740
25+
$158.440
50+
$151.570
100+
$139.170
More Pricing...
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail
85AK4167

RoHS

Each
1+
$103.570
5+
$88.930
10+
$87.290
Min: 1 / Mult: 1
DIA53 Series
SPST-NO
100mA
DIN Rail
69AK8661

RoHS

Each
1+
$104.260
100+
$87.880
250+
$80.730
500+
$77.450
1000+
$73.580
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
69AK8660

RoHS

Each
1+
$116.130
100+
$97.890
250+
$89.930
500+
$86.270
1000+
$81.960
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
12AM0921

RoHS

Each
1+
$132.290
5+
$113.590
10+
$111.510
Min: 1 / Mult: 1
EISH Series
SPST-NO
1A
DIN Rail, Panel
69AK8667

RoHS

Each
1+
$149.570
100+
$126.070
250+
$115.810
500+
$111.100
1000+
$105.550
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
69AK8672

RoHS

Each
1+
$161.490
100+
$136.120
250+
$125.050
500+
$119.970
1000+
$113.970
Min: 1 / Mult: 1
-
SPST-NO, SPST-NC
5A
DIN Rail
69AK8659

RoHS

Each
1+
$30.000
100+
$30.000
250+
$30.000
500+
$30.000
1000+
$30.000
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
69AK8669

RoHS

Each
1+
$165.950
100+
$139.860
250+
$128.490
500+
$123.270
1000+
$117.110
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
85AK4169

RoHS

Each
1+
$180.010
5+
$154.570
10+
$151.740
Min: 1 / Mult: 1
DPB51 Series
SPDT
5A
DIN Rail, Panel
69AK8665

RoHS

Each
1+
$131.980
100+
$111.230
250+
$102.190
500+
$98.040
1000+
$93.140
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
69AK8668

RoHS

Each
1+
$48.460
100+
$48.460
250+
$48.460
500+
$48.460
1000+
$48.460
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
69AK8656

RoHS

Each
1+
$181.540
100+
$153.010
250+
$140.560
500+
$134.860
1000+
$128.110
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
82AK2917
Each
1+
$253.280
Min: 1 / Mult: 1
SLU Series
SPDT
10A
Socket
92K6354

RoHS

Date/Lot Code

Each
1+
$113.230
5+
$103.500
10+
$93.770
25+
$87.500
50+
$83.330
More Pricing...
Min: 1 / Mult: 1
-
SPST-NO
5A
Surface Mount
87AK0979
Each
1+
$148.940
10+
$138.350
25+
$129.280
50+
$124.740
100+
$120.210
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
87AK0978
Each
1+
$124.110
10+
$115.290
25+
$107.730
50+
$103.950
100+
$100.170
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
87AK0975
Each
1+
$132.390
10+
$122.980
25+
$114.920
50+
$110.880
100+
$106.850
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
87AK0976
Each
1+
$122.050
10+
$113.370
25+
$105.940
50+
$102.220
100+
$98.500
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
56Y5878
Each
1+
$23.010
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
55AC7598
Each
1+
$75.130
Min: 1 / Mult: 1
SPM Series
SPDT
10A
Socket
76-100 of 217 items
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