Monitoring Relays:

210 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
96K2647
Each
1+
$320.860
5+
$312.850
10+
$304.830
25+
$288.780
50+
$272.740
Min: 1 / Mult: 1
235 Series
SPDT
10A
Socket
86K0445

RoHS

Each
1+
$256.040
Min: 1 / Mult: 1
HWUA Series
DPDT
5A
DIN Rail
27C0651

RoHS

Date/Lot Code

Each
1+
$125.620
5+
$122.490
10+
$119.350
25+
$113.060
50+
$106.790
More Pricing...
Min: 1 / Mult: 1
PAP Series
SPDT
10A
Socket
05M4090

RoHS

Each
5+
$183.990
10+
$178.180
25+
$172.370
Min: 5 / Mult: 5
DIB02 Series
SPDT
8A
DIN Rail
05M4257

RoHS

Each
5+
$138.250
10+
$133.880
25+
$129.520
Min: 5 / Mult: 5
PPA01 Series
SPDT
8A
Socket
05M4089

RoHS

Each
5+
$183.990
10+
$178.180
25+
$172.370
Min: 5 / Mult: 5
DIB01 Series
SPDT
8A
DIN Rail
45X6419

RoHS

Each
1+
$1,548.460
Min: 1 / Mult: 1
SE-704 Series
SPST-NO, SPST-NC
-
DIN Rail, Panel
62X8835

RoHS

Each
1+
$1,678.940
Min: 1 / Mult: 1
EL731 Series
3PDT
-
Panel Mount
08X7281

RoHS

Each
1+
$101.990
10+
$96.890
25+
$91.790
50+
$86.700
100+
$81.590
More Pricing...
Min: 1 / Mult: 1
72 Series
SPDT
16A
DIN Rail, Panel
06X0740
Each
1+
$126.790
Min: 1 / Mult: 1
SLA Series
SPDT
10A
-
66Y0773

RoHS

Each
1+
$419.320
5+
$408.840
10+
$398.350
25+
$377.380
Min: 1 / Mult: 1
-
DPDT
4A
DIN Rail
66AH6837

RoHS

Each
1+
$194.520
5+
$189.930
10+
$185.340
25+
$176.150
50+
$166.980
Min: 1 / Mult: 1
Zelio RM35JA
DPDT
8A
DIN Rail
23AH3161

RoHS

Each
1+
$313.650
5+
$303.460
10+
$289.410
25+
$275.330
50+
$238.930
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
66AH6834

RoHS

Each
1+
$201.190
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
34AH3014

RoHS

Each
1+
$368.030
5+
$359.240
10+
$350.440
25+
$332.840
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
86K0441

RoHS

Each
1+
$134.410
Min: 1 / Mult: 1
MWG Series
SPDT
5A
DIN Rail
25R0991

RoHS

Each
Pricing is unavailable. Please contact customer services.
DPA53 Series
SPDT
5A
DIN Rail
38Y9927

RoHS

Each
1+
$351.390
5+
$340.680
10+
$323.650
25+
$306.700
Min: 1 / Mult: 1
PMP Series
SPDT
10A
-
73W9242

RoHS

Each
1+
$1,843.900
Min: 1 / Mult: 1
EL731 Series
3PDT
-
Panel Mount
84T1841

RoHS

Date/Lot Code

Each
1+
$2,092.900
Min: 1 / Mult: 1
SE-105 Series
SPST-NO
-
Surface Mount
45AC6248

RoHS

Each
5+
$189.540
10+
$183.620
25+
$177.700
Min: 5 / Mult: 5
DPB52 Series
SPDT
5A
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+
$237.870
10+
$230.350
25+
$222.840
Min: 5 / Mult: 5
DWB01 Series
SPDT
8A
DIN Rail
86K0444

RoHS

Each
1+
$221.140
Min: 1 / Mult: 1
MWUA Series
SPDT
5A
DIN Rail
101-125 of 210 items
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