Monitoring Relays:

305 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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09P6672

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
Harmony RM35UB3 Series
DPDT
5A
DIN Rail
12AH0513
Each
1+
$342.740
5+
$327.360
10+
$318.130
25+
$308.900
Min: 1 / Mult: 1
DPC01 Series
2 x SPDT
5A
DIN Rail
23AH3169

RoHS

Each
1+
$441.950
5+
$427.930
10+
$408.590
25+
$389.220
50+
$339.150
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
50AJ8750

RoHS

Each
1+
$152.820
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
26AK3439

RoHS

Each
1+
$249.310
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT-CO
8A
DIN Rail
11R2673

RoHS

Each
1+
$242.500
10+
$208.960
25+
$200.970
50+
$192.250
100+
$176.520
More Pricing...
Min: 1 / Mult: 1
-
DPDT
-
DIN Rail
66AH6827

RoHS

Each
1+
$208.550
Min: 1 / Mult: 1
Harmony RM17 Series
SPDT
5A
DIN Rail
44AC2640

RoHS

Each
1+
$124.810
5+
$113.510
10+
$111.890
25+
$109.190
50+
$103.810
More Pricing...
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
24W8372

RoHS

Each
1+
$1,156.730
5+
$1,120.020
10+
$1,069.430
25+
$1,018.710
50+
$887.660
Min: 1 / Mult: 1
BD 9080 Series
DPDT
-
DIN Rail
04AC8452

RoHS

Each
1+
$164.150
5+
$149.290
10+
$147.140
25+
$143.600
50+
$136.520
More Pricing...
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
27R0593
Each
1+
$354.610
5+
$338.690
10+
$329.140
25+
$319.590
Min: 1 / Mult: 1
DPC01 Series
2 x SPDT
5A
DIN Rail
27R1423

RoHS

Date/Lot Code

Each
1+
$692.170
5+
$661.100
10+
$642.460
25+
$623.820
Min: 1 / Mult: 1
S142A Series
SPDT
8A
Socket
71K2933

RoHS

Each
1+
$235.390
5+
$224.540
10+
$218.040
25+
$211.530
Min: 1 / Mult: 1
DIB01 Series
SPDT
8A
DIN Rail
34AH2992

RoHS

Each
1+
$616.020
5+
$593.510
10+
$568.400
25+
$544.140
Min: 1 / Mult: 1
CM Series
DPDT
4A
DIN Rail
67AH3182

RoHS

Each
1+
$349.730
Min: 1 / Mult: 1
Harmony RM35JA Series
DPDT
5A
DIN Rail
67AH3181

RoHS

Each
1+
$231.670
Min: 1 / Mult: 1
Harmony RM17 Series
DPDT
5A
DIN Rail
44AC2641

RoHS

Each
1+
$123.990
5+
$112.760
10+
$111.150
25+
$108.470
50+
$103.130
More Pricing...
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
04AC8453

RoHS

Each
1+
$164.150
5+
$149.290
10+
$147.140
25+
$143.600
50+
$136.520
More Pricing...
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
06AC2593

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
Harmony RM22 Series
DPDT
8A
DIN Rail
53R1959

RoHS

Each
1+
$153.220
10+
$140.130
25+
$138.270
50+
$134.950
100+
$126.340
More Pricing...
Min: 1 / Mult: 1
-
SPST-NC
-
DIN Rail
06X0781
Each
1+
$218.930
Min: 1 / Mult: 1
SLU Series
SPDT
10A
Socket
05X9754
Each
1+
$50.590
Min: 1 / Mult: 1
CMG Series
SPST-NO
5A
Panel Mount
80AK3864

RoHS

Each
1+
$134.750
10+
$123.240
25+
$121.600
50+
$118.660
100+
$111.110
More Pricing...
Min: 1 / Mult: 1
70 Series
DPDT
8A
DIN Rail
69AK8662

RoHS

Each
1+
$125.190
100+
$102.240
250+
$92.220
500+
$87.630
1000+
$82.210
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
69AK8663

RoHS

Each
1+
$149.750
100+
$122.300
250+
$110.330
500+
$104.840
1000+
$98.350
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
51-75 of 305 items
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