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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40T0227

RoHS

Each
1+
$247.000
5+
$231.270
10+
$215.910
25+
$196.040
50+
$177.960
More Pricing...
Min: 1 / Mult: 1
CAH Series
SPDT
10A
Panel Mount
80K7042
Each
1+
$2,246.190
Min: 5 / Mult: 5
D101X Series
SPST-NO
5A
Panel Mount
89K7390
Each
1+
$218.330
5+
$212.870
10+
$207.410
25+
$196.490
50+
$185.570
Min: 1 / Mult: 1
235 Series
SPDT
10A
Panel Mount
30C3079

RoHS

Date/Lot Code

Each
1+
$122.740
5+
$119.670
10+
$116.610
25+
$110.470
50+
$104.330
More Pricing...
Min: 1 / Mult: 1
PAP Series
SPDT
10A
Socket
34AH2988

RoHS

Each
1+
$572.200
5+
$550.940
10+
$527.220
25+
$504.310
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
34AH2995

RoHS

Each
1+
$380.720
5+
$368.350
10+
$351.300
25+
$334.200
50+
$290.020
Min: 1 / Mult: 1
CM-IWS
SPDT
-
DIN Rail
34AH3016

RoHS

Each
1+
$403.170
5+
$393.520
10+
$383.870
25+
$364.570
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
34AH3011

RoHS

Each
1+
$337.420
5+
$326.450
10+
$311.340
25+
$296.180
50+
$257.030
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
66AH6832

RoHS

Each
1+
$238.180
5+
$226.620
10+
$218.090
25+
$209.470
50+
$193.410
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
86K0440

RoHS

Each
1+
$134.410
Min: 1 / Mult: 1
MWS2 Series
DPDT
5A
DIN Rail
34AC8866

RoHS

Each
1+
$407.100
5+
$380.290
10+
$353.470
25+
$333.830
Min: 1 / Mult: 1
350 Series
SPDT
15A
Panel Mount
66Y0844

RoHS

Each
1+
$566.420
5+
$552.260
10+
$538.100
25+
$509.770
Min: 1 / Mult: 1
-
DPDT
4A
DIN Rail
34AH3024

RoHS

Each
1+
$1,111.060
5+
$1,074.950
10+
$1,025.180
25+
$975.290
50+
$846.370
Min: 1 / Mult: 1
CM-IWN
DPDT
-
DIN Rail
66AH6835

RoHS

Each
1+
$218.200
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
34AH3021

RoHS

Each
1+
$427.900
5+
$417.670
10+
$407.450
25+
$386.980
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
06X0835
Each
1+
$219.270
Min: 1 / Mult: 1
SPM Series
DPDT
10A
-
58T0811

RoHS

Each
1+
$194.660
Min: 1 / Mult: 1
M3US Series
SPDT
5A
DIN Rail
16C3179

RoHS

Each
5+
$120.970
10+
$117.150
25+
$113.330
Min: 5 / Mult: 5
DPB01 Series
SPDT
8A
DIN Rail
34AH2991

RoHS

Each
1+
$469.170
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+
$1,891.280
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
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
151-175 of 210 items
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