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
34AH3007

RoHS

Each
1+
$405.280
5+
$392.420
10+
$374.700
25+
$356.930
50+
$311.010
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
05M4253

RoHS

Each
1+
$227.910
Min: 5 / Mult: 1
PIB02 Series
SPDT
8A
Socket
16C3118

RoHS

Each
5+
$177.700
10+
$172.270
25+
$166.850
Min: 5 / Mult: 5
DIB01 Series
SPDT
8A
DIN Rail
40T1796

RoHS

Date/Lot Code

Each
1+
$261.420
5+
$233.440
10+
$216.720
25+
$188.600
50+
$169.530
More Pricing...
Min: 1 / Mult: 1
PMPU-FA8 Series
SPDT
10A
-
40T0199

RoHS

Date/Lot Code

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
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+
$2,354.040
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
72Y1053

RoHS

OMRON INDUSTRIAL AUTOMATION
Each
1+
$180.130
5+
$173.150
Min: 1 / Mult: 1
K8AK-AS
SPDT
5A
DIN Rail
72Y1056

RoHS

Each
1+
$231.430
5+
$218.730
10+
$207.400
25+
$195.320
50+
$187.250
More Pricing...
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
34AH2988

RoHS

Each
1+
$586.220
5+
$564.800
10+
$540.900
25+
$517.820
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
34AH2995

RoHS

Each
1+
$392.850
5+
$380.390
10+
$363.200
25+
$345.980
50+
$301.480
Min: 1 / Mult: 1
CM-IWS
SPDT
-
DIN Rail
34AH3016

RoHS

Each
1+
$442.820
5+
$432.400
10+
$421.980
25+
$401.140
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
34AH3011

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
66AH6832

RoHS

Each
1+
$257.400
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
86K0440

RoHS

Each
1+
$151.270
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
72Y1060

RoHS

Each
1+
$254.250
5+
$240.290
10+
$227.840
25+
$214.570
50+
$205.710
More Pricing...
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
34AH3024

RoHS

Each
1+
$1,146.460
5+
$1,110.080
10+
$1,059.940
25+
$1,009.670
50+
$879.780
Min: 1 / Mult: 1
CM-IWN
DPDT
-
DIN Rail
66AH6835

RoHS

Each
1+
$226.110
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
34AH3021

RoHS

Each
1+
$469.980
5+
$458.940
10+
$447.890
25+
$425.800
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
06X0835
Each
1+
$219.270
Min: 1 / Mult: 1
SPM Series
DPDT
10A
-
72Y1061

RoHS

Each
1+
$254.250
5+
$240.290
10+
$227.840
25+
$214.570
50+
$205.710
More Pricing...
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
151-175 of 218 items
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