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.
Show More
View
Buyer
Engineer
Manufacturer
Product Range
Contact Configuration
Contact Current
Relay Mounting
Packaging
No Filter(s) Applied
0 Filter(s) Selected
ComparePrice forQuantity
93C1876

RoHS

Each
5+
$259.280
10+
$251.760
25+
$244.250
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
16C3175

RoHS

Each
5+
$131.850
10+
$128.030
25+
$124.210
Min: 5 / Mult: 5
DPA01 Series
DPDT
8A
DIN Rail
50M2856

RoHS

Each
5+
$181.710
10+
$176.450
25+
$171.180
Min: 5 / Mult: 5
DPA01 Series
SPDT
8A
DIN Rail
81C2841

RoHS

Each
1+
$260.310
Min: 5 / Mult: 1
EIH Series
SPDT
8A
DIN Rail
34AC8907

RoHS

Each
1+
$227.200
5+
$208.160
10+
$189.110
25+
$177.160
Min: 1 / Mult: 1
460 Series
SPST-NO, SPST-NC
8A
DIN Rail, Panel
34AC4095

RoHS

Date/Lot Code

Each
1+
$115.380
5+
$105.470
10+
$95.560
25+
$89.170
50+
$84.920
More Pricing...
Min: 1 / Mult: 1
-
SPST-NO
5A
Panel Mount
34AC3146

RoHS

Each
1+
$268.670
5+
$246.320
10+
$223.970
25+
$210.040
Min: 1 / Mult: 1
HLMU Series
DPDT
10A
Panel Mount
34AC8664

RoHS

Date/Lot Code

Each
1+
$186.820
5+
$171.010
10+
$155.220
25+
$145.220
50+
$138.630
Min: 1 / Mult: 1
201A Series
SPDT
10A
Socket
74AC9283

RoHS

Each
1+
$159.020
5+
$136.120
10+
$133.560
Min: 1 / Mult: 1
DTA72 Series
SPDT
8A
DIN Rail
37AC0904

RoHS

Each
1+
$6,002.320
Min: 1 / Mult: 1
SE-134C Series
SPST-NO, SPST-NC
-
Panel Mount
34AH2976

RoHS

Each
1+
$280.850
Min: 1 / Mult: 1
CM Series
SPDT
-
DIN Rail
34AH2990

RoHS

Each
1+
$577.540
5+
$556.430
10+
$532.890
25+
$510.150
Min: 1 / Mult: 1
CM Series
DPDT
4A
DIN Rail
67P3589
Each
1+
$143.330
Min: 1 / Mult: 1
SPM Series
DPDT
10A
-
66AH6828

RoHS

Each
1+
$223.220
Min: 1 / Mult: 1
Harmony RM17 Series
SPDT
5A
DIN Rail
70AH0684

RoHS

Each
1+
$137.820
Min: 1 / Mult: 1
70 Series
DPDT
8A
DIN Rail, Panel
20J6493

RoHS

Each
1+
$277.260
Min: 1 / Mult: 1
PAP Series
SPDT
10A
Socket
05M4252

RoHS

Each
5+
$246.860
10+
$239.870
25+
$232.870
Min: 5 / Mult: 5
PIB01 Series
SPDT
8A
Socket
34AC8670

RoHS

Each
1+
$154.970
5+
$141.790
10+
$128.600
25+
$120.210
50+
$114.650
Min: 1 / Mult: 1
202 Series
SPDT
10A
Socket
69AC7486

RoHS

Each
1+
$110.320
5+
$100.710
10+
$93.630
25+
$88.060
50+
$83.000
More Pricing...
Min: 1 / Mult: 1
EMD-BL Series
SPDT
5A
DIN Rail
34AC6498

RoHS

Date/Lot Code

Each
1+
$136.290
5+
$124.650
10+
$113.010
25+
$105.550
50+
$100.620
More Pricing...
Min: 1 / Mult: 1
TCS Series
SPST-NO
1A
DIN Rail
66AH6831

RoHS

Each
1+
$188.240
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
34AC8681

RoHS

Each
1+
$477.180
5+
$438.680
10+
$400.190
25+
$376.640
Min: 1 / Mult: 1
PumpSaver Series
SPST
-
Panel Mount
34AH3007

RoHS

Each
1+
$399.280
5+
$386.600
10+
$369.140
25+
$351.640
50+
$306.390
Min: 1 / Mult: 1
CM Series
DPDT
4A
DIN Rail
05M4253

RoHS

Each
5+
$221.600
10+
$214.600
25+
$207.610
Min: 5 / Mult: 5
PIB02 Series
SPDT
8A
Socket
126-150 of 217 items
of 9 page(s)

Popular Suppliers

EATON
SCHNEIDER ELECTRIC
HONEYWELL
WAGO
IDEC
OMRON
BELDEN
ABB