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
23AH3169

RoHS

Each
1+
$318.940
5+
$308.810
10+
$294.860
25+
$280.880
50+
$244.750
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
50AJ8750

RoHS

Each
1+
$117.440
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
26AK3439

RoHS

Each
1+
$181.260
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
11R2673

RoHS

Each
1+
$184.560
10+
$159.050
25+
$152.960
50+
$146.330
100+
$134.350
More Pricing...
Min: 1 / Mult: 1
MK 9056
DPDT
-
DIN Rail
66AH6827

RoHS

Each
1+
$177.520
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
44AC2640

RoHS

Each
1+
$115.410
5+
$106.200
10+
$104.870
25+
$102.670
50+
$98.280
More Pricing...
Min: 1 / Mult: 1
PDD 225 Series
DPDT
5A
DIN Rail
24W8372

RoHS

Each
1+
$880.360
5+
$852.420
10+
$813.920
25+
$775.310
50+
$675.570
Min: 1 / Mult: 1
BD 9080
DPDT
-
DIN Rail
04AC8452

RoHS

Each
1+
$125.810
5+
$114.210
10+
$112.530
25+
$109.760
50+
$104.230
More Pricing...
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
27R1423

RoHS

Date/Lot Code

Each
1+
$314.740
5+
$314.740
10+
$314.740
25+
$314.740
Min: 1 / Mult: 1
S142A Series
SPDT
8A
Socket
27R0593
Each
1+
$255.510
5+
$243.260
10+
$235.910
25+
$228.560
Min: 1 / Mult: 1
DPC01 Series
2 x SPDT
5A
DIN Rail
71K2933

RoHS

Each
1+
$172.180
5+
$163.990
10+
$159.080
25+
$154.170
Min: 1 / Mult: 1
DIB01 Series
SPDT
8A
DIN Rail
34AH2992

RoHS

Each
1+
$487.780
5+
$469.960
10+
$450.070
25+
$430.860
Min: 1 / Mult: 1
CM-TCS
DPDT
4A
DIN Rail
67AH3182

RoHS

Each
1+
$230.690
10+
$220.070
25+
$209.450
50+
$198.820
100+
$188.200
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
67AH3181

RoHS

Each
1+
$190.170
10+
$180.600
25+
$164.990
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
44AC2641

RoHS

Each
1+
$103.460
5+
$95.200
10+
$94.000
25+
$92.030
50+
$88.100
More Pricing...
Min: 1 / Mult: 1
PDD 225 Series
DPDT
5A
DIN Rail
04AC8453

RoHS

Each
1+
$125.810
5+
$114.210
10+
$112.530
25+
$109.760
50+
$104.230
More Pricing...
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
53R1959

RoHS

Each
1+
$116.620
10+
$106.650
25+
$105.240
50+
$102.690
100+
$96.150
More Pricing...
Min: 1 / Mult: 1
IK 9179
SPST-NC
-
DIN Rail
06X0781
Each
1+
$168.530
Min: 1 / Mult: 1
-
SPDT
10A
-
69AK8655

RoHS

Each
1+
$48.860
100+
$48.860
250+
$48.860
500+
$48.860
1000+
$48.860
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
69AK8663

RoHS

Each
1+
$45.030
100+
$45.030
250+
$45.030
500+
$45.030
1000+
$45.030
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
69AK8664

RoHS

Each
1+
$45.030
100+
$45.030
250+
$45.030
500+
$45.030
1000+
$45.030
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
69AK8671

RoHS

Each
1+
$85.160
100+
$78.070
250+
$78.060
500+
$78.060
1000+
$72.060
Min: 1 / Mult: 1
MP Temperature Control Relays
SPST-NO, SPST-NO
5A
DIN Rail
69AK8677

RoHS

Each
1+
$78.620
100+
$78.620
250+
$78.620
500+
$78.620
1000+
$78.620
Min: 1 / Mult: 1
MP Temperature Control Relays
SPDT
10A
DIN Rail
85AK6218

RoHS

Each
1+
$258.490
Min: 1 / Mult: 1
PPB01 Series
SPDT
8A
Socket
69AK8666

RoHS

Each
1+
$51.040
100+
$51.040
250+
$51.040
500+
$51.040
1000+
$51.040
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
51-75 of 218 items
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