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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ComparePrice forQuantity
69AK8671

RoHS

Each
1+
$224.480
100+
$189.200
250+
$173.810
500+
$166.750
1000+
$158.420
Min: 1 / Mult: 1
-
SPST-NO, SPST-NO
5A
DIN Rail
69AK8657

RoHS

Each
1+
$270.540
100+
$228.030
250+
$209.480
500+
$200.970
1000+
$190.920
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
82AK2916
Each
1+
$275.540
10+
$255.870
25+
$246.780
50+
$237.690
100+
$227.100
Min: 1 / Mult: 1
SLU Series
SPDT
10A
Socket
69AK8658

RoHS

Each
1+
$224.210
100+
$188.970
250+
$173.600
500+
$166.550
1000+
$158.230
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
69AK8670

RoHS

Each
1+
$230.660
100+
$194.410
250+
$178.590
500+
$171.350
1000+
$162.790
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
69AK8655

RoHS

Each
1+
$64.680
100+
$64.680
250+
$64.680
500+
$64.680
1000+
$64.680
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
80AK3864

RoHS

Each
1+
$139.180
10+
$127.680
25+
$126.030
50+
$123.100
100+
$115.540
More Pricing...
Min: 1 / Mult: 1
70 Series
DPDT
8A
DIN Rail
69AK8662

RoHS

Each
1+
$153.350
100+
$129.250
250+
$118.740
500+
$113.910
1000+
$108.220
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
80AK3862

RoHS

Each
1+
$256.540
10+
$222.140
25+
$213.940
50+
$205.010
100+
$188.870
More Pricing...
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail
85AK4167

RoHS

Each
1+
$139.690
5+
$120.310
10+
$118.140
Min: 1 / Mult: 1
DIA53 Series
SPST-NO
100mA
DIN Rail
69AK8661

RoHS

Each
1+
$144.930
100+
$122.140
250+
$112.200
500+
$107.660
1000+
$102.270
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
69AK8660

RoHS

Each
1+
$161.420
100+
$136.060
250+
$124.990
500+
$119.920
1000+
$113.930
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
12AM0921

RoHS

Each
1+
$175.330
5+
$151.000
10+
$148.310
Min: 1 / Mult: 1
EISH Series
SPST-NO
1A
DIN Rail, Panel
69AK8667

RoHS

Each
1+
$207.910
100+
$175.230
250+
$160.980
500+
$154.450
1000+
$146.720
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
69AK8672

RoHS

Each
1+
$224.480
100+
$189.200
250+
$173.810
500+
$166.750
1000+
$158.420
Min: 1 / Mult: 1
-
SPST-NO, SPST-NC
5A
DIN Rail
69AK8659

RoHS

Each
1+
$39.720
100+
$39.720
250+
$39.720
500+
$39.720
1000+
$39.720
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
69AK8669

RoHS

Each
1+
$230.660
100+
$194.410
250+
$178.590
500+
$171.350
1000+
$162.790
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
69AK8665

RoHS

Each
1+
$183.440
100+
$154.610
250+
$142.030
500+
$136.270
1000+
$129.450
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
69AK8668

RoHS

Each
1+
$64.140
100+
$64.140
250+
$64.140
500+
$64.140
1000+
$64.140
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
69AK8656

RoHS

Each
1+
$252.330
100+
$212.670
250+
$195.380
500+
$187.450
1000+
$178.080
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
82AK2917
Each
1+
$329.490
Min: 1 / Mult: 1
SLU Series
SPDT
10A
Socket
92K6354

RoHS

Date/Lot Code

Each
1+
$149.890
5+
$137.020
10+
$124.130
25+
$115.830
50+
$110.310
More Pricing...
Min: 1 / Mult: 1
-
SPST-NO
5A
Surface Mount
87AK0975
Each
1+
$175.260
10+
$162.800
25+
$152.130
50+
$146.790
100+
$141.450
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
87AK0978
Each
1+
$164.300
10+
$152.630
25+
$142.620
50+
$137.610
100+
$132.610
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
87AK0979
Each
1+
$197.160
10+
$183.150
25+
$171.140
50+
$165.140
100+
$159.130
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
76-100 of 312 items
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