Monitoring Relays:

217 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+
$195.500
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT-CO
8A
DIN Rail
11R2673

RoHS

Each
1+
$183.190
10+
$157.850
25+
$151.810
50+
$145.230
100+
$133.340
More Pricing...
Min: 1 / Mult: 1
-
DPDT
-
DIN Rail
66AH6827

RoHS

Each
1+
$157.540
Min: 1 / Mult: 1
Harmony RM17 Series
SPDT
5A
DIN Rail
44AC2640

RoHS

Each
1+
$100.300
5+
$91.220
10+
$89.910
25+
$87.740
50+
$83.420
More Pricing...
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
24W8372

RoHS

Each
1+
$873.790
5+
$846.060
10+
$807.840
25+
$769.530
50+
$670.530
Min: 1 / Mult: 1
BD 9080 Series
DPDT
-
DIN Rail
04AC8452

RoHS

Each
1+
$126.360
5+
$114.920
10+
$113.260
25+
$110.550
50+
$105.090
More Pricing...
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
27R0593
Each
1+
$272.970
5+
$260.720
10+
$253.370
25+
$246.020
Min: 1 / Mult: 1
DPC01 Series
2 x SPDT
5A
DIN Rail
27R1423

RoHS

Date/Lot Code

Each
1+
$522.860
5+
$499.390
10+
$485.310
25+
$471.230
Min: 1 / Mult: 1
S142A Series
SPDT
8A
Socket
71K2933

RoHS

Each
1+
$181.540
5+
$173.350
10+
$168.430
25+
$163.520
Min: 1 / Mult: 1
DIB01 Series
SPDT
8A
DIN Rail
34AH2992

RoHS

Each
1+
$473.530
5+
$456.230
10+
$436.920
25+
$418.280
Min: 1 / Mult: 1
CM Series
DPDT
4A
DIN Rail
67AH3182

RoHS

Each
1+
$281.340
Min: 1 / Mult: 1
Harmony RM35JA Series
DPDT
5A
DIN Rail
67AH3181

RoHS

Each
1+
$179.760
Min: 1 / Mult: 1
Harmony RM17 Series
DPDT
5A
DIN Rail
44AC2641

RoHS

Each
1+
$89.920
5+
$81.770
10+
$80.600
25+
$78.660
50+
$74.790
More Pricing...
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
04AC8453

RoHS

Each
1+
$126.360
5+
$114.920
10+
$113.260
25+
$110.550
50+
$105.090
More Pricing...
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
06AC2593

RoHS

Date/Lot Code

Each
1+
$182.110
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
53R1959

RoHS

Each
1+
$115.750
10+
$105.850
25+
$104.450
50+
$101.940
100+
$95.440
More Pricing...
Min: 1 / Mult: 1
-
SPST-NC
-
DIN Rail
06X0781
Each
1+
$168.530
Min: 1 / Mult: 1
SLU Series
SPDT
10A
Socket
69AK8666

RoHS

Each
1+
$149.570
100+
$126.070
250+
$115.810
500+
$111.100
1000+
$105.550
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
69AK8664

RoHS

Each
1+
$131.980
100+
$111.230
250+
$102.190
500+
$98.040
1000+
$93.140
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
69AK8677

RoHS

Each
1+
$230.420
100+
$194.200
250+
$178.410
500+
$171.160
1000+
$162.610
Min: 1 / Mult: 1
-
SPDT
10A
DIN Rail
85AK6218

RoHS

Each
1+
$258.590
Min: 1 / Mult: 1
PPB01 Series
SPDT
8A
Socket
69AK8663

RoHS

Each
1+
$131.980
100+
$111.230
250+
$102.190
500+
$98.040
1000+
$93.140
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
69AK8671

RoHS

Each
1+
$161.490
100+
$136.120
250+
$125.050
500+
$119.970
1000+
$113.970
Min: 1 / Mult: 1
-
SPST-NO, SPST-NO
5A
DIN Rail
69AK8657

RoHS

Each
1+
$194.630
100+
$164.050
250+
$150.700
500+
$144.590
1000+
$137.350
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
69AK8658

RoHS

Each
1+
$161.310
100+
$135.960
250+
$124.890
500+
$119.820
1000+
$113.830
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
51-75 of 217 items
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