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
23AH3162

RoHS

Each
1+
$276.570
5+
$267.800
10+
$255.700
25+
$243.570
50+
$212.240
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
31M9800

RoHS

Each
1+
$570.310
Min: 3 / Mult: 1
DPC01 Series
DPDT
8A
Socket
51K1292
Each
1+
$7,869.100
5+
$7,573.550
10+
$7,433.950
25+
$7,277.440
50+
$7,034.150
Min: 1 / Mult: 1
IQ500 Series
-
-
Panel Mount
93C1876

RoHS

Each
5+
$244.920
10+
$237.400
25+
$229.890
Min: 5 / Mult: 5
DWB01 Series
SPDT
8A
DIN Rail
86K0444

RoHS

Each
1+
$248.880
Min: 1 / Mult: 1
MWUA Series
SPDT
5A
DIN Rail
50M2856

RoHS

Each
5+
$173.140
10+
$167.880
25+
$162.610
Min: 5 / Mult: 5
DPA01 Series
SPDT
8A
DIN Rail
16C3175

RoHS

Each
5+
$126.190
10+
$122.370
25+
$118.550
Min: 5 / Mult: 5
DPA01 Series
DPDT
8A
DIN Rail
81C2841

RoHS

Each
1+
$254.210
Min: 5 / Mult: 1
EI Series
SPDT
8A
DIN Rail
34AC8907

RoHS

Each
1+
$244.750
5+
$228.670
10+
$212.590
25+
$200.810
Min: 1 / Mult: 1
460 Series
SPST-NO, SPST-NC
8A
DIN Rail, Panel
34AC3146

RoHS

Each
1+
$291.850
5+
$272.660
10+
$253.460
25+
$239.390
Min: 1 / Mult: 1
HLMU Series
DPDT
10A
Panel Mount
34AC8664

RoHS

Each
1+
$199.090
5+
$186.020
10+
$172.970
25+
$163.380
50+
$156.450
Min: 1 / Mult: 1
201A Series
SPDT
10A
Socket
74AC9283

RoHS

Each
1+
$135.590
5+
$133.490
10+
$131.390
Min: 1 / Mult: 1
DTA72 Series
SPDT
8A
DIN Rail
37AC0904

RoHS

Each
1+
$6,303.140
Min: 1 / Mult: 1
SE 134C
SPST-NO, SPST-NC
-
Panel Mount
34AH2976

RoHS

Each
1+
$281.240
Min: 1 / Mult: 1
CM-IWS
SPDT
-
DIN Rail
34AH2990

RoHS

Each
1+
$586.220
5+
$564.800
10+
$540.900
25+
$517.820
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
67P3589
Each
1+
$143.330
Min: 1 / Mult: 1
SPM Series
DPDT
10A
-
66AH6828

RoHS

Each
1+
$237.990
Min: 1 / Mult: 1
Zelio RM17UBE
SPDT
5A
DIN Rail
70AH0684

RoHS

Each
1+
$106.790
10+
$97.660
25+
$96.360
50+
$94.040
100+
$88.060
More Pricing...
Min: 1 / Mult: 1
70 Series
DPDT
8A
DIN Rail, Panel
15AJ5694

RoHS

Date/Lot Code

Each
1+
$982.850
5+
$878.210
10+
$766.230
25+
$707.000
50+
$637.370
Min: 1 / Mult: 1
PC1 Series
SPDT
5A
DIN Rail
20J6493

RoHS

Each
1+
$277.260
5+
$259.610
10+
$242.360
25+
$220.050
50+
$199.760
More Pricing...
Min: 1 / Mult: 1
PAP Series
SPDT
10A
Socket
05M4252

RoHS

Each
5+
$226.460
10+
$219.460
25+
$212.460
Min: 5 / Mult: 5
PIB01 Series
SPDT
8A
Socket
34AC8670

RoHS

Each
1+
$163.770
5+
$153.030
10+
$142.300
25+
$134.430
50+
$128.710
Min: 1 / Mult: 1
202 Series
SPDT
10A
Socket
69AC7486

RoHS

Each
1+
$111.980
5+
$102.230
10+
$95.030
25+
$89.380
50+
$84.240
More Pricing...
Min: 1 / Mult: 1
EMD
SPDT
5A
DIN Rail
66AH6831

RoHS

Each
1+
$193.450
Min: 1 / Mult: 1
Zelio RM22TU
DPDT
8A
DIN Rail
34AC8681

RoHS

Each
1+
$532.650
5+
$497.510
10+
$462.370
Min: 1 / Mult: 1
PumpSaver Series
SPST
-
Panel Mount
126-150 of 218 items
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