Monitoring Relays:

300 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
26AK3439

RoHS

Each
1+
$225.310
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
11R2673

RoHS

Each
1+
$237.470
10+
$203.970
25+
$195.980
50+
$187.280
100+
$171.570
More Pricing...
Min: 1 / Mult: 1
MK 9056
DPDT
-
DIN Rail
66AH6827

RoHS

Each
1+
$209.700
10+
$199.590
25+
$182.400
50+
$163.540
100+
$153.450
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
92K6354

RoHS

Date/Lot Code

Each
1+
$123.830
5+
$114.300
10+
$114.300
25+
$114.300
50+
$114.300
More Pricing...
Min: 1 / Mult: 1
-
SPST-NO
5A
Surface Mount
44AC2640

RoHS

Each
1+
$123.340
5+
$111.970
10+
$110.310
25+
$107.600
50+
$102.180
More Pricing...
Min: 1 / Mult: 1
PDD 225 Series
DPDT
5A
DIN Rail
24W8372

RoHS

Each
1+
$1,128.140
5+
$1,091.470
10+
$1,040.950
25+
$990.280
50+
$859.370
Min: 1 / Mult: 1
BD 9080
DPDT
-
DIN Rail
04AC8452

RoHS

Each
1+
$162.220
5+
$147.260
10+
$145.090
25+
$141.520
50+
$134.390
More Pricing...
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
27R1423

RoHS

Date/Lot Code

Each
1+
$416.660
5+
$416.660
10+
$416.660
25+
$416.660
Min: 1 / Mult: 1
S142A Series
SPDT
8A
Socket
71K2933

RoHS

Each
1+
$216.840
5+
$206.000
10+
$199.500
25+
$192.990
Min: 1 / Mult: 1
DIB01 Series
SPDT
8A
DIN Rail
66AH6830

RoHS

Each
1+
$252.910
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
34AH2992

RoHS

Each
1+
$579.530
5+
$551.600
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
67AH3181

RoHS

Each
1+
$239.520
10+
$227.080
25+
$205.300
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
44AC2641

RoHS

Each
1+
$122.530
5+
$111.230
10+
$109.590
25+
$106.900
50+
$101.520
More Pricing...
Min: 1 / Mult: 1
PDD 225 Series
DPDT
5A
DIN Rail
04AC8453

RoHS

Each
1+
$162.220
5+
$147.260
10+
$145.090
25+
$141.520
50+
$134.390
More Pricing...
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
09P6664

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
Zelio Series
DPDT
5A
DIN Rail
38Y7644

RoHS

Date/Lot Code

Each
1+
$151.760
5+
$148.320
10+
$144.870
25+
$137.990
50+
$131.090
More Pricing...
Min: 1 / Mult: 1
K8AK-PH Series
DPDT-NC
5A
DIN Rail
06X0781
Each
1+
$218.930
Min: 1 / Mult: 1
-
SPDT
10A
-
05X9754
Each
1+
$50.590
Min: 1 / Mult: 1
CMG Series
SPST-NO
5A
Panel Mount
85AK6218

RoHS

Each
1+
$327.330
Min: 1 / Mult: 1
PPB01 Series
SPDT
8A
Socket
69AK8655

RoHS

Each
1+
$75.630
100+
$75.630
250+
$75.630
500+
$75.630
1000+
$75.630
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
69AK8663

RoHS

Each
1+
$91.440
100+
$83.830
250+
$83.820
500+
$83.820
1000+
$83.820
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
69AK8664

RoHS

Each
1+
$59.170
100+
$59.170
250+
$59.170
500+
$59.170
1000+
$59.170
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
69AK8671

RoHS

Each
1+
$111.900
100+
$102.580
250+
$102.570
500+
$102.570
1000+
$102.570
Min: 1 / Mult: 1
MP Temperature Control Relays
SPST-NO, SPST-NO
5A
DIN Rail
69AK8677

RoHS

Each
1+
$103.300
100+
$103.300
250+
$103.300
500+
$103.300
1000+
$103.300
Min: 1 / Mult: 1
MP Temperature Control Relays
SPDT
10A
DIN Rail
12AM0919

RoHS

Each
1+
$249.510
5+
$215.510
10+
$211.720
Min: 1 / Mult: 1
DTA04 Series
2 x SPST-NO
8A
DIN Rail
51-75 of 300 items
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