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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58T0811

RoHS

Each
1+
$219.080
Min: 1 / Mult: 1
M3US Series
SPDT
5A
DIN Rail
16C3179

RoHS

Each
5+
$128.530
10+
$124.710
25+
$120.890
Min: 5 / Mult: 5
DPB01 Series
SPDT
8A
DIN Rail
34AH2991

RoHS

Each
1+
$480.660
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
16C3181

RoHS

Each
1+
$349.890
Min: 5 / Mult: 1
DPB02 Series
SPDT
8A
DIN Rail
28C3540
Each
1+
$154.590
Min: 5 / Mult: 5
WRA Series
SPDT
10A
Socket
01J1748
Each
1+
$1,986.890
Min: 5 / Mult: 5
WILMAR 1800 Series
SPST-NO
5A
Panel Mount
34AC8680

RoHS

Each
1+
$450.660
5+
$420.960
10+
$391.260
25+
$369.530
Min: 1 / Mult: 1
PumpSaver Series
SPST
-
Panel Mount
34AC8867

RoHS

Each
1+
$407.100
5+
$380.290
10+
$353.470
25+
$333.830
Min: 1 / Mult: 1
350 Series
SPDT
15A
Panel Mount
72Y1058

RoHS

Each
1+
$244.080
5+
$230.670
10+
$218.730
25+
$205.990
50+
$197.480
More Pricing...
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
34AC8574

RoHS

Each
1+
$302.030
5+
$282.170
10+
$262.300
25+
$247.750
Min: 1 / Mult: 1
102A Series
SPDT
10A
Panel Mount
49AC1671

RoHS

Each
1+
$301.560
10+
$265.370
15+
$238.830
30+
$222.840
50+
$211.750
Min: 5 / Mult: 1
EIH Series
SPDT
8A
DIN Rail
23AH3159

RoHS

Each
1+
$448.610
5+
$434.370
10+
$414.760
25+
$395.080
50+
$344.270
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
34AH3009

RoHS

Each
1+
$603.780
5+
$581.720
10+
$557.100
25+
$533.330
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
88F1055
Each
1+
$122.740
Min: 20 / Mult: 20
WRS Series
SPDT
10A
Socket
58T0810

RoHS

Each
1+
$283.060
Min: 1 / Mult: 1
H3US Series
DPDT
5A
DIN Rail
68W6979

RoHS

Each
1+
$126.340
10+
$120.410
25+
$114.470
50+
$108.540
100+
$102.620
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
34AC8902

RoHS

Each
1+
$180.140
5+
$168.330
10+
$156.510
25+
$147.860
50+
$141.570
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail, Panel
74AC9103

RoHS

Each
1+
$199.350
Min: 1 / Mult: 1
DEB71 Series
SPDT
-
DIN Rail
37AC0908

RoHS

Each
1+
$1,277.200
5+
$1,260.420
10+
$1,244.170
Min: 1 / Mult: 1
SE-701
SPST-NO, SPST-NC
-
DIN Rail, Panel
37AC0907

RoHS

Each
1+
$2,157.960
Min: 1 / Mult: 1
SE-601
SPST-NO, SPST-NC
-
DIN Rail, Panel
37AC0906

RoHS

Each
1+
$5,604.000
Min: 1 / Mult: 1
SE-330
DPST-NO, DPDT
-
Panel Mount
55AC7355
Each
1+
$164.280
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
34AH3010

RoHS

Each
1+
$348.150
5+
$337.110
10+
$321.890
25+
$306.620
50+
$267.170
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
34AH3012

RoHS

Each
1+
$348.150
5+
$337.110
10+
$321.890
25+
$306.620
50+
$267.170
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
34AH3008

RoHS

Each
1+
$596.000
5+
$574.230
10+
$549.930
25+
$526.470
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
176-200 of 218 items
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