Monitoring Relays:

218 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
69AK8657

RoHS

Each
1+
$66.410
100+
$66.410
250+
$66.410
500+
$66.410
1000+
$66.410
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
69AK8658

RoHS

Each
1+
$85.060
100+
$77.970
250+
$77.970
500+
$77.970
1000+
$71.970
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
69AK8670

RoHS

Each
1+
$56.620
100+
$56.620
250+
$56.620
500+
$56.620
1000+
$56.620
Min: 1 / Mult: 1
MP Temperature Control Relays
DPDT
5A
DIN Rail
80AK3864

RoHS

Each
1+
$105.130
10+
$96.140
25+
$94.870
50+
$92.580
100+
$86.680
More Pricing...
Min: 1 / Mult: 1
70 Series
DPDT
8A
DIN Rail
69AK8662

RoHS

Each
1+
$37.640
100+
$37.640
250+
$37.640
500+
$37.640
1000+
$37.640
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
81AK9674

RoHS

Each
1+
$144.920
5+
$138.330
10+
$131.750
Min: 1 / Mult: 1
MWS Series
SPDT
8A
DIN Rail
85AK4167

RoHS

Each
1+
$118.530
5+
$103.680
10+
$102.020
Min: 1 / Mult: 1
DIA53 Series
SPST-NO
100mA
DIN Rail
80AK3862

RoHS

Each
1+
$196.930
10+
$169.700
25+
$163.200
50+
$156.140
100+
$143.360
More Pricing...
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail
69AK8661

RoHS

Each
1+
$36.100
100+
$36.100
250+
$36.100
500+
$36.100
1000+
$36.100
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
69AK8660

RoHS

Each
1+
$61.250
100+
$56.140
250+
$56.140
500+
$56.140
1000+
$51.820
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
79AK7517

RoHS

Each
1+
$180.250
Min: 1 / Mult: 1
Zelio RM22JA
DPDT
8A
DIN Rail
12AM0921

RoHS

Each
1+
$131.960
5+
$112.990
10+
$110.870
Min: 1 / Mult: 1
EISH Series
SPST-NO
1A
DIN Rail, Panel
69AK8667

RoHS

Each
1+
$51.040
100+
$51.040
250+
$51.040
500+
$51.040
1000+
$51.040
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
69AK8672

RoHS

Each
1+
$55.110
100+
$55.110
250+
$55.110
500+
$55.110
1000+
$55.110
Min: 1 / Mult: 1
MP Temperature Control Relays
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
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
85AK4169

RoHS

Each
1+
$206.020
5+
$180.210
10+
$177.330
Min: 1 / Mult: 1
DPB51 Series
SPDT
5A
DIN Rail, Panel
69AK8669

RoHS

Each
1+
$56.620
100+
$56.620
250+
$56.620
500+
$56.620
1000+
$56.620
Min: 1 / Mult: 1
MP Temperature Control Relays
DPDT
5A
DIN Rail
69AK8665

RoHS

Each
1+
$45.030
100+
$45.030
250+
$45.030
500+
$45.030
1000+
$45.030
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
69AK8668

RoHS

Each
1+
$87.510
100+
$80.210
250+
$80.210
500+
$80.210
1000+
$74.050
Min: 1 / Mult: 1
MP Temperature Control Relays
DPDT
5A
DIN Rail
69AK8656

RoHS

Each
1+
$61.940
100+
$61.940
250+
$61.940
500+
$61.940
1000+
$61.940
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
82AK2917
Each
1+
$247.480
Min: 1 / Mult: 1
-
SPDT
10A
Socket
92K6354

RoHS

Date/Lot Code

Each
1+
$66.030
5+
$66.030
10+
$66.030
25+
$66.030
50+
$66.030
More Pricing...
Min: 1 / Mult: 1
-
SPST-NO
5A
Surface Mount
87AK0975
Each
1+
$79.070
10+
$79.070
25+
$79.070
50+
$79.070
100+
$79.070
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
87AK0978
Each
1+
$74.120
10+
$74.120
25+
$74.120
50+
$74.120
100+
$74.120
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
76-100 of 218 items
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