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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ComparePrice forQuantity
85AK4167

RoHS

Each
1+
$117.660
5+
$102.900
10+
$101.270
Min: 1 / Mult: 1
DIA53 Series
SPST-NO
100mA
DIN Rail
80AK3862

RoHS

Each
1+
$188.840
10+
$162.200
25+
$155.850
50+
$148.930
100+
$136.440
More Pricing...
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail
69AK8661

RoHS

Each
1+
$35.310
100+
$35.310
250+
$35.310
500+
$35.310
1000+
$35.310
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
69AK8660

RoHS

Each
1+
$60.790
100+
$55.720
250+
$55.720
500+
$55.720
1000+
$51.440
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
79AK7517

RoHS

Each
1+
$161.280
Min: 1 / Mult: 1
Zelio RM22JA
DPDT
8A
DIN Rail
12AM0921

RoHS

Each
1+
$128.570
5+
$109.730
10+
$107.640
Min: 1 / Mult: 1
EISH Series
SPST-NO
1A
DIN Rail, Panel
69AK8667

RoHS

Each
1+
$51.790
100+
$51.790
250+
$51.790
500+
$51.790
1000+
$51.790
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
85AK4168

RoHS

Each
1+
$261.170
Min: 1 / Mult: 1
DIB01 Series
SPDT
8A
DIN Rail
69AK8672

RoHS

Each
1+
$84.530
100+
$77.490
250+
$77.490
500+
$77.490
1000+
$71.520
Min: 1 / Mult: 1
MP Temperature Control Relays
SPST-NO, SPST-NC
5A
DIN Rail
69AK8659

RoHS

Each
1+
$35.080
100+
$35.080
250+
$35.080
500+
$35.080
1000+
$35.080
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
85AK4169

RoHS

Each
1+
$205.300
5+
$179.680
10+
$176.820
Min: 1 / Mult: 1
DPB51 Series
SPDT
5A
DIN Rail, Panel
69AK8669

RoHS

Each
1+
$56.200
100+
$56.200
250+
$56.200
500+
$56.200
1000+
$56.200
Min: 1 / Mult: 1
MP Temperature Control Relays
DPDT
5A
DIN Rail
69AK8665

RoHS

Each
1+
$44.700
100+
$44.700
250+
$44.700
500+
$44.700
1000+
$44.700
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
69AK8668

RoHS

Each
1+
$86.860
100+
$79.620
250+
$79.620
500+
$79.620
1000+
$73.500
Min: 1 / Mult: 1
MP Temperature Control Relays
DPDT
5A
DIN Rail
69AK8656

RoHS

Each
1+
$61.480
100+
$61.480
250+
$61.480
500+
$61.480
1000+
$61.480
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
82AK2917
Each
1+
$253.020
Min: 1 / Mult: 1
-
SPDT
10A
Socket
87AK0975
Each
1+
$84.010
10+
$84.010
25+
$84.010
50+
$84.010
100+
$84.010
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
87AK0976
Each
1+
$122.050
10+
$113.370
25+
$105.940
50+
$102.220
100+
$98.500
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
87AK0978
Each
1+
$85.240
10+
$85.240
25+
$85.240
50+
$85.240
100+
$85.240
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
87AK0979
Each
1+
$92.650
10+
$92.650
25+
$92.650
50+
$92.650
100+
$92.650
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
55AC7598
Each
1+
$75.130
Min: 1 / Mult: 1
SPM Series
SPDT
10A
-
56Y5878
Each
1+
$98.160
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
91Y2598

RoHS

Date/Lot Code

Each
1+
$47.190
5+
$47.190
10+
$47.190
25+
$47.190
50+
$47.190
Min: 1 / Mult: 1
K8DT-PM Series
SPDT
5A
DIN Rail
86K0430

RoHS

Each
1+
$191.610
Min: 1 / Mult: 1
HIH Series
SPDT
5A
DIN Rail
86K0428

RoHS

Each
1+
$191.610
Min: 1 / Mult: 1
HIL Series
SPDT
5A
DIN Rail
76-100 of 210 items
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