Monitoring Relays:

209 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
66AH6827

RoHS

Each
1+
$163.690
10+
$156.060
25+
$144.050
50+
$129.700
100+
$122.010
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
44AC2640

RoHS

Each
1+
$105.690
5+
$96.480
10+
$95.150
25+
$92.950
50+
$88.560
More Pricing...
Min: 1 / Mult: 1
PDD 225 Series
DPDT
5A
DIN Rail
24W8372

RoHS

Each
1+
$879.350
5+
$851.450
10+
$812.990
25+
$774.430
50+
$674.810
Min: 1 / Mult: 1
BD 9080
DPDT
-
DIN Rail
04AC8452

RoHS

Each
1+
$125.810
5+
$114.210
10+
$112.530
25+
$109.760
50+
$104.230
More Pricing...
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
27R1423

RoHS

Date/Lot Code

Each
1+
$314.740
5+
$314.740
10+
$314.740
25+
$314.740
Min: 1 / Mult: 1
S142A Series
SPDT
8A
Socket
27R0593
Each
1+
$245.030
5+
$232.780
10+
$225.430
25+
$218.080
Min: 1 / Mult: 1
DPC01 Series
2 x SPDT
5A
DIN Rail
71K2933

RoHS

Each
1+
$163.800
5+
$155.610
10+
$150.700
25+
$145.790
Min: 1 / Mult: 1
DIB01 Series
SPDT
8A
DIN Rail
34AH2992

RoHS

Each
1+
$487.780
5+
$469.960
10+
$450.070
25+
$430.860
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
67AH3182

RoHS

Each
1+
$230.690
10+
$220.070
25+
$209.450
50+
$198.820
100+
$188.200
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
67AH3181

RoHS

Each
1+
$190.170
10+
$180.600
25+
$164.990
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
44AC2641

RoHS

Each
1+
$94.750
5+
$86.490
10+
$85.290
25+
$83.330
50+
$79.390
More Pricing...
Min: 1 / Mult: 1
PDD 225 Series
DPDT
5A
DIN Rail
04AC8453

RoHS

Each
1+
$125.810
5+
$114.210
10+
$112.530
25+
$109.760
50+
$104.230
More Pricing...
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
38Y7644

RoHS

Date/Lot Code

Each
1+
$102.300
5+
$100.030
10+
$97.750
25+
$93.190
50+
$88.630
More Pricing...
Min: 1 / Mult: 1
K8AK-PH Series
DPDT-NC
5A
DIN Rail
53R1959

RoHS

Each
1+
$116.480
10+
$106.530
25+
$105.110
50+
$102.580
100+
$96.050
More Pricing...
Min: 1 / Mult: 1
IK 9179
SPST-NC
-
DIN Rail
06X0781
Each
1+
$168.530
Min: 1 / Mult: 1
-
SPDT
10A
-
85AK6218

RoHS

Each
1+
$258.490
Min: 1 / Mult: 1
PPB01 Series
SPDT
8A
Socket
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
69AK8663

RoHS

Each
1+
$69.590
100+
$63.790
250+
$63.790
500+
$63.790
1000+
$58.880
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
69AK8664

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
69AK8671

RoHS

Each
1+
$85.160
100+
$78.070
250+
$78.060
500+
$78.060
1000+
$72.060
Min: 1 / Mult: 1
MP Temperature Control Relays
SPST-NO, SPST-NO
5A
DIN Rail
69AK8677

RoHS

Each
1+
$78.620
100+
$78.620
250+
$78.620
500+
$78.620
1000+
$78.620
Min: 1 / Mult: 1
MP Temperature Control Relays
SPDT
10A
DIN Rail
69AK8666

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
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
69AK8655

RoHS

Each
1+
$58.410
100+
$58.410
250+
$58.410
500+
$58.410
1000+
$58.410
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
51-75 of 209 items
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