Monitoring Relays:

184 Products Found

Element14 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
4319898

RoHS

Each
1+
$619.870
($712.8505)
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
SPDT
3A
DIN Rail
2056305

RoHS

Each
1+
$519.300
($597.195)
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
2056304

RoHS

Each
1+
$338.730
($389.5395)
5+
$331.960
($381.754)
10+
$325.190
($373.9685)
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
1344233

RoHS

Each
1+
$154.060
($177.169)
5+
$144.550
($166.2325)
10+
$135.020
($155.273)
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
1824777

RoHS

Each
1+
$179.850
($206.8275)
5+
$170.870
($196.5005)
10+
$165.470
($190.2905)
20+
$162.160
($186.484)
Min: 1 / Mult: 1
DIA53
SPST-NO
100mA
DIN Rail
2056347

RoHS

Each
1+
$363.570
($418.1055)
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
2455513

RoHS

Each
1+
$252.130
($289.9495)
5+
$247.090
($284.1535)
10+
$242.050
($278.3575)
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
2811519

RoHS

Each
1+
$127.600
($146.740)
5+
$127.300
($146.395)
10+
$127.000
($146.050)
Min: 1 / Mult: 1
PDD 225 Series
DPDT
5A
DIN Rail
2835320

RoHS

Each
1+
$411.430
($473.1445)
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
2780442

RoHS

Each
1+
$256.880
($295.412)
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
3111268

RoHS

Each
1+
$164.460
($189.129)
5+
$161.180
($185.357)
10+
$157.890
($181.5735)
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
3223705

RoHS

Each
1+
$908.190
($1,044.4185)
Min: 1 / Mult: 1
CM-IWS
SPDT
-
DIN Rail
2295793

RoHS

Each
1+
$221.960
($255.254)
5+
$213.870
($245.9505)
10+
$209.600
($241.040)
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
1895998

RoHS

Each
1+
$258.440
($297.206)
5+
$253.280
($291.272)
10+
$248.110
($285.3265)
Min: 1 / Mult: 1
CM-PFE
SPDT
4A
DIN Rail
2811520

RoHS

Each
1+
$119.260
($137.149)
5+
$118.860
($136.689)
10+
$118.450
($136.2175)
Min: 1 / Mult: 1
PDD 225 Series
DPDT
5A
DIN Rail
2102326

RoHS

Each
1+
$274.650
($315.8475)
5+
$269.170
($309.5455)
10+
$263.670
($303.2205)
Min: 1 / Mult: 1
CM-PFS.S
SPDT
-
DIN Rail
2677810

RoHS

Each
1+
$264.350
($304.0025)
5+
$251.130
($288.7995)
10+
$243.190
($279.6685)
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
3111267

RoHS

Each
1+
$275.900
($317.285)
5+
$270.390
($310.9485)
10+
$264.870
($304.6005)
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
3214134

RoHS

Each
1+
$652.940
($750.881)
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
2102349

RoHS

Each
1+
$381.420
($438.633)
Min: 1 / Mult: 1
CM-SRS.2
DPDT
4A
DIN Rail
2780443

RoHS

Each
1+
$425.470
($489.2905)
Min: 1 / Mult: 1
Zelio RM35UB3
DPDT
5A
DIN Rail
2677811

RoHS

Each
1+
$176.420
($202.883)
5+
$169.150
($194.5225)
10+
$164.350
($189.0025)
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
2887771

RoHS

Each
1+
$1,468.630
($1,688.9245)
Min: 1 / Mult: 1
EL3100 Series
-
-
-
3214129

RoHS

Each
1+
$397.290
($456.8835)
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
3922060

RoHS

Each
1+
$276.830
($318.3545)
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
1-25 of 184 items
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