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.
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
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+
$434.760
5+
$420.630
10+
$401.160
25+
$381.630
50+
$331.180
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
34AH3009

RoHS

Each
1+
$589.340
5+
$567.440
10+
$543.010
25+
$519.410
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+
$212.830
Min: 1 / Mult: 1
H3US Series
DPDT
5A
DIN Rail
68W6979

RoHS

Each
1+
$118.420
10+
$112.750
25+
$107.090
50+
$101.430
100+
$95.760
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+
$190.190
Min: 1 / Mult: 1
DEB71 Series
SPDT
-
DIN Rail
37AC0908

RoHS

Each
1+
$1,266.290
5+
$1,249.650
10+
$1,233.530
Min: 1 / Mult: 1
SE-701
SPST-NO, SPST-NC
-
DIN Rail, Panel
37AC0907

RoHS

Each
1+
$2,139.510
Min: 1 / Mult: 1
SE-601
SPST-NO, SPST-NC
-
DIN Rail, Panel
37AC0906

RoHS

Each
1+
$5,585.020
Min: 1 / Mult: 1
SE-330
DPST-NO, DPDT
-
Panel Mount
55AC7355
Each
1+
$164.280
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
95M9376
Each
1+
$167.580
Min: 1 / Mult: 1
SPM Series
SPST-NO
5A
-
34AH3019

RoHS

Each
1+
$428.070
5+
$417.800
10+
$407.520
25+
$386.980
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
34AH3012

RoHS

Each
1+
$344.960
5+
$333.760
10+
$318.300
25+
$302.810
50+
$262.780
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
34AH3010

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
34AH3008

RoHS

Each
1+
$586.100
5+
$564.320
10+
$540.020
25+
$516.560
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
23AH3163

RoHS

Each
1+
$350.240
5+
$338.860
10+
$323.170
25+
$307.440
50+
$266.800
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
23AH3168

RoHS

Each
1+
$261.790
5+
$253.290
10+
$241.560
25+
$229.800
50+
$199.420
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
34AH3017

RoHS

Each
1+
$183.640
10+
$174.830
25+
$166.010
50+
$157.200
100+
$148.380
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
92AH2394

RoHS

Each
1+
$280.390
5+
$250.380
10+
$232.460
25+
$202.290
50+
$181.850
More Pricing...
Min: 2 / Mult: 1
-
SPDT
5A
DIN Rail
34AH3022

RoHS

Each
1+
$436.070
5+
$425.640
10+
$415.210
25+
$394.330
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
34AH2993

RoHS

Each
1+
$327.560
5+
$316.910
10+
$302.240
25+
$287.530
50+
$249.530
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
34AH2994

RoHS

Each
1+
$503.640
5+
$487.270
10+
$464.710
25+
$442.090
50+
$383.650
Min: 1 / Mult: 1
CM-IWS
SPDT
-
DIN Rail
44AC2546

RoHS

Each
1+
$54.330
5+
$49.290
10+
$47.850
25+
$46.900
50+
$44.630
More Pricing...
Min: 1 / Mult: 1
SM 301 Series
SPDT
5A
DIN Rail
176-200 of 210 items
of 9 page(s)

Popular Suppliers

EATON
SCHNEIDER ELECTRIC
HONEYWELL
WAGO
IDEC
OMRON
BELDEN
ABB