Monitoring Relays:

299 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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34AC8900

RoHS

Date/Lot Code

Each
1+
$258.110
5+
$241.180
10+
$224.240
25+
$211.830
50+
$202.820
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
34AC8897

RoHS

Date/Lot Code

Each
1+
$450.380
5+
$420.730
10+
$391.090
25+
$369.380
Min: 1 / Mult: 1
455 Series
SPDT
10A
Panel Mount
23AH3164

RoHS

Each
1+
$463.650
5+
$448.580
10+
$427.820
25+
$407.000
50+
$353.190
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
66AH6834

RoHS

Each
1+
$261.730
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
25C3239
Each
1+
$305.760
Min: 1 / Mult: 1
IR.T Series
SPDT
10A
Socket
64X6343

RoHS

Each
1+
$7,283.950
Min: 1 / Mult: 1
SE-134C Series
SPST-NO, SPST-NC
-
Panel Mount
84X8729

RoHS

Date/Lot Code

Each
1+
$359.100
5+
$334.160
10+
$314.200
25+
$292.600
50+
$275.970
More Pricing...
Min: 1 / Mult: 1
K8AK-PM Series
SPDT
5A
DIN Rail
72Y1051

RoHS

OMRON INDUSTRIAL AUTOMATION
Each
1+
$334.380
5+
$327.420
10+
$320.440
25+
$306.510
50+
$292.570
More Pricing...
Min: 1 / Mult: 1
K8AK-AS
SPDT
5A
DIN Rail
34AC8913

RoHS

Date/Lot Code

Each
1+
$242.280
5+
$221.810
10+
$201.330
25+
$188.390
50+
$179.870
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail, Panel
66AH6836

RoHS

Each
1+
$225.340
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
41Y4153

RoHS

Each
1+
$440.920
5+
$412.050
10+
$388.940
25+
$363.910
50+
$344.650
More Pricing...
Min: 1 / Mult: 1
K8AK Series
SPDT
5A
DIN Rail
34AC4095

RoHS

Date/Lot Code

Each
1+
$155.910
5+
$145.700
10+
$135.500
25+
$128.010
50+
$122.590
More Pricing...
Min: 1 / Mult: 1
-
SPST-NO
5A
Panel Mount
34AH3023

RoHS

Each
1+
$1,390.700
5+
$1,345.500
10+
$1,283.210
25+
$1,220.760
50+
$1,059.380
Min: 1 / Mult: 1
CM-IWN
DPDT
-
DIN Rail
55AJ2777

RoHS

Each
1+
$287.300
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
15AJ5694

RoHS

Date/Lot Code

Each
1+
$559.050
5+
$559.050
10+
$559.050
25+
$559.050
50+
$559.050
Min: 1 / Mult: 1
PC1 Series
SPDT
5A
DIN Rail
43W4762

RoHS

Date/Lot Code

Each
1+
$621.330
5+
$590.270
10+
$571.630
25+
$552.990
Min: 1 / Mult: 1
S142A Series
SPDT
8A
Socket
09P6654

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
-
SPDT
5A
DIN Rail
55T7542

RoHS

Each
1+
$183.320
10+
$174.550
25+
$165.780
50+
$157.000
100+
$148.230
Min: 1 / Mult: 1
CM-PFE
SPDT
4A
DIN Rail
09P6672

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
-
DPDT
5A
DIN Rail
34AC6498

RoHS

Each
1+
$189.450
5+
$177.030
10+
$164.620
25+
$155.520
50+
$148.910
Min: 1 / Mult: 1
TCS Series
SPST-NO
1A
DIN Rail
23AH3169

RoHS

Each
1+
$435.760
5+
$421.600
10+
$402.080
25+
$382.500
50+
$331.950
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
50AJ8750

RoHS

Each
1+
$177.590
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
26AK3439

RoHS

Each
1+
$230.350
5+
$219.180
10+
$210.920
25+
$202.600
50+
$187.060
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
11R2673

RoHS

Each
1+
$238.710
10+
$205.040
25+
$197.010
50+
$188.270
100+
$172.460
More Pricing...
Min: 1 / Mult: 1
MK 9056
DPDT
-
DIN Rail
66AH6827

RoHS

Each
1+
$209.870
10+
$199.760
25+
$186.470
50+
$167.190
100+
$156.880
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
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