Monitoring Relays:

312 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
11R2673

RoHS

Each
1+
$253.260
10+
$219.440
25+
$211.380
50+
$202.600
100+
$186.720
More Pricing...
Min: 1 / Mult: 1
-
DPDT
-
DIN Rail
66AH6827

RoHS

Each
1+
$215.380
Min: 1 / Mult: 1
Harmony RM17 Series
SPDT
5A
DIN Rail
44AC2640

RoHS

Each
1+
$128.620
5+
$117.320
10+
$115.690
25+
$113.000
50+
$107.620
More Pricing...
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
24W8372

RoHS

Each
1+
$1,216.450
5+
$1,179.420
10+
$1,128.390
25+
$1,077.230
50+
$945.040
Min: 1 / Mult: 1
BD 9080 Series
DPDT
-
DIN Rail
04AC8452

RoHS

Each
1+
$169.790
5+
$154.930
10+
$152.780
25+
$149.250
50+
$142.160
More Pricing...
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
27R1423

RoHS

Date/Lot Code

Each
1+
$720.500
5+
$689.430
10+
$670.790
25+
$652.150
Min: 1 / Mult: 1
S142A Series
SPDT
8A
Socket
27R0593
Each
1+
$369.120
5+
$353.200
10+
$343.650
25+
$334.100
Min: 1 / Mult: 1
DPC01 Series
2 x SPDT
5A
DIN Rail
71K2933

RoHS

Each
1+
$246.510
5+
$235.660
10+
$229.160
25+
$222.650
Min: 1 / Mult: 1
DIB01 Series
SPDT
8A
DIN Rail
34AH2992

RoHS

Each
1+
$632.420
5+
$609.910
10+
$584.800
25+
$560.540
Min: 1 / Mult: 1
CM Series
DPDT
4A
DIN Rail
67AH3182

RoHS

Each
1+
$383.700
Min: 1 / Mult: 1
Harmony RM35JA Series
DPDT
5A
DIN Rail
67AH3181

RoHS

Each
1+
$241.540
Min: 1 / Mult: 1
Harmony RM17 Series
DPDT
5A
DIN Rail
44AC2641

RoHS

Each
1+
$127.770
5+
$116.540
10+
$114.930
25+
$112.250
50+
$106.910
More Pricing...
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
06AC2593

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
Harmony RM22 Series
DPDT
8A
DIN Rail
53R1959

RoHS

Each
1+
$160.280
10+
$147.080
25+
$145.200
50+
$141.840
100+
$133.170
More Pricing...
Min: 1 / Mult: 1
-
SPST-NC
-
DIN Rail
85AK6218

RoHS

Each
1+
$342.800
Min: 1 / Mult: 1
PPB01 Series
SPDT
8A
Socket
69AK8663

RoHS

Each
1+
$183.440
100+
$154.610
250+
$142.030
500+
$136.270
1000+
$129.450
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
69AK8664

RoHS

Each
1+
$183.440
100+
$154.610
250+
$142.030
500+
$136.270
1000+
$129.450
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
69AK8671

RoHS

Each
1+
$224.480
100+
$189.200
250+
$173.810
500+
$166.750
1000+
$158.420
Min: 1 / Mult: 1
-
SPST-NO, SPST-NO
5A
DIN Rail
69AK8677

RoHS

Each
1+
$320.270
100+
$269.940
250+
$247.980
500+
$237.920
1000+
$226.020
Min: 1 / Mult: 1
-
SPDT
10A
DIN Rail
69AK8666

RoHS

Each
1+
$207.910
100+
$175.230
250+
$160.980
500+
$154.450
1000+
$146.720
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
69AK8657

RoHS

Each
1+
$270.540
100+
$228.030
250+
$209.480
500+
$200.970
1000+
$190.920
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
82AK2916
Each
1+
$275.540
10+
$255.870
25+
$246.780
50+
$237.690
100+
$227.100
Min: 1 / Mult: 1
SLU Series
SPDT
10A
Socket
69AK8658

RoHS

Each
1+
$224.210
100+
$188.970
250+
$173.600
500+
$166.550
1000+
$158.230
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
69AK8670

RoHS

Each
1+
$230.660
100+
$194.410
250+
$178.590
500+
$171.350
1000+
$162.790
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
69AK8655

RoHS

Each
1+
$64.680
100+
$64.680
250+
$64.680
500+
$64.680
1000+
$64.680
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
51-75 of 312 items
of 13 page(s)

Popular Suppliers

EATON
SCHNEIDER ELECTRIC
HONEYWELL
WAGO
IDEC
OMRON
BELDEN
ABB