Monitoring Relays:

217 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
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+
$212.760
Min: 1 / Mult: 1
HIH Series
SPDT
5A
DIN Rail
86K0428

RoHS

Each
1+
$215.630
Min: 1 / Mult: 1
HIL Series
SPDT
5A
DIN Rail
96K2647
Each
1+
$415.540
5+
$405.150
10+
$394.760
25+
$373.980
Min: 1 / Mult: 1
235 Series
SPDT
10A
Socket
27C0651

RoHS

Date/Lot Code

Each
1+
$124.380
5+
$121.280
10+
$118.160
25+
$111.950
50+
$105.730
More Pricing...
Min: 1 / Mult: 1
PAP Series
SPDT
10A
Socket
05M4090

RoHS

Each
5+
$204.960
10+
$199.150
25+
$193.340
Min: 5 / Mult: 5
DIB02 Series
SPDT
8A
DIN Rail
05M4257

RoHS

Each
5+
$150.690
10+
$146.330
25+
$141.960
Min: 5 / Mult: 5
PPA01 Series
SPDT
8A
Socket
05M4089

RoHS

Each
5+
$204.960
10+
$199.150
25+
$193.340
Min: 5 / Mult: 5
DIB01 Series
SPDT
8A
DIN Rail
45X6419

RoHS

Each
1+
$1,322.840
Min: 1 / Mult: 1
SE-704 Series
SPST-NO, SPST-NC
-
DIN Rail, Panel
62X8835

RoHS

Each
1+
$1,903.570
Min: 1 / Mult: 1
EL731 Series
3PDT
-
Panel Mount
08X7281

RoHS

Each
1+
$106.720
10+
$101.380
25+
$96.040
50+
$90.710
100+
$85.370
More Pricing...
Min: 1 / Mult: 1
72 Series
SPDT
16A
DIN Rail, Panel
66Y0773

RoHS

Each
1+
$419.320
5+
$408.840
10+
$398.350
25+
$377.380
Min: 1 / Mult: 1
CM Series
DPDT
4A
DIN Rail
23AH3161

RoHS

Each
1+
$325.240
5+
$314.910
10+
$300.690
25+
$286.430
50+
$249.580
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
66AH6837

RoHS

Each
1+
$175.270
Min: 1 / Mult: 1
Harmony RM35JA Series
DPDT
8A
DIN Rail
34AH3014

RoHS

Each
1+
$403.470
5+
$393.960
10+
$384.460
25+
$365.440
Min: 1 / Mult: 1
CM Series
DPDT
4A
DIN Rail
86K0441

RoHS

Each
1+
$151.270
Min: 1 / Mult: 1
MWG Series
SPDT
5A
DIN Rail
25R0991

RoHS

Each
Pricing is unavailable. Please contact customer services.
DPA53 Series
SPDT
5A
DIN Rail
38Y9927

RoHS

Each
1+
$351.390
5+
$340.680
10+
$323.650
25+
$306.700
Min: 1 / Mult: 1
PMP Series
SPDT
10A
-
73W9242

RoHS

Each
1+
$2,090.600
Min: 1 / Mult: 1
EL731 Series
3PDT
-
Panel Mount
84T1841

RoHS

Date/Lot Code

Each
1+
$1,766.560
Min: 1 / Mult: 1
SE-105 Series
SPST-NO
-
Surface Mount
45AC6248

RoHS

Each
5+
$208.910
10+
$202.990
25+
$197.070
Min: 5 / Mult: 5
DPB52 Series
SPDT
5A
DIN Rail
23AH3162

RoHS

Each
1+
$277.920
5+
$269.100
10+
$256.940
25+
$244.760
50+
$213.270
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
55AJ2778

RoHS

Each
1+
$214.930
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
31M9800

RoHS

Each
1+
$294.250
5+
$279.540
10+
$270.710
25+
$261.890
Min: 3 / Mult: 3
DPC01 Series
DPDT
8A
Socket
51K1292
Each
1+
$7,152.990
5+
$6,953.510
Min: 1 / Mult: 1
-
-
-
Panel Mount
101-125 of 217 items
of 9 page(s)

Popular Suppliers

EATON
SCHNEIDER ELECTRIC
HONEYWELL
WAGO
IDEC
OMRON
BELDEN
ABB