Phase Monitoring Relays:

101 Products Found

Element14 offers phase monitoring relays that protect three-phase systems from phase loss, phase reversal and imbalance. These relays are designed to prevent motor damage and ensure stable operation.

Phase monitoring relays measure phase sequence, phase loss and voltage balance in three-phase systems. If any discrepancy is detected, the relay disconnects the load to prevent motor failure.

Key Features:

  • Phase loss and reversal protection for motors and equipment.
  • Adjustable voltage range for versatile use.
  • Compact design for easy installation in control panels.

Applications:

  • Industrial Motors – Ensure proper phase alignment and prevent damage.
  • HVAC Systems – Maintain stable operation in multi-phase compressors.
  • Renewable Energy – Monitor phase balance in solar and wind systems.
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ComparePrice ForQuantity
4163397

RoHS

Each
1+
RM494.330
5+
RM439.260
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
240VAC
300V
-
3 Phase
5VA
85V
300V
2056305

RoHS

Each
1+
RM1,243.830
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
22VA
194VAC
528VAC
1344233

RoHS

Each
1+
RM358.590
5+
RM351.420
10+
RM344.250
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
1W
208VAC
480VAC
3111268

RoHS

Each
1+
RM350.990
5+
RM343.980
10+
RM336.960
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
15VA
183VAC
528VAC
3111267

RoHS

Each
1+
RM637.210
5+
RM624.470
10+
RM611.730
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250V
576VAC
-
3 Phase
15VA
380VAC
480VAC
3111269

RoHS

Each
1+
RM1,395.590
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250V
240VAC
-
3 Phase
10VA
200VAC
240VAC
3050817

RoHS

Each
1+
RM428.170
5+
RM419.610
10+
RM411.050
Min: 1 / Mult: 1
70 Series
DPDT
8A
DIN Rail, Panel
Screw
-
400VAC
480VAC
-
3 Phase
800mW
170VAC
520VAC
2915307

RoHS

Each
1+
RM400.450
5+
RM392.450
10+
RM384.440
Min: 1 / Mult: 1
EMD
SPDT
5A
DIN Rail
Quick Connect
-
250V
480VAC
-
3 Phase
1.5W
187VAC
519VAC
2915306

RoHS

Each
1+
RM426.750
5+
RM418.220
10+
RM409.680
Min: 1 / Mult: 1
EMD
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
1.5W
187VAC
519VAC
1344223

RoHS

Each
1+
RM482.020
5+
RM472.780
10+
RM463.870
Min: 1 / Mult: 1
-
SPDT
10A
DIN Rail
Screw
-
250V
400VAC
-
3 Phase
4VA
-
400VAC
4163401

RoHS

Each
1+
RM294.980
5+
RM262.100
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
3VA
208VAC
480VAC
4163403

RoHS

Each
1+
RM248.980
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
15VA
-
415VAC
4163405

RoHS

Each
1+
RM335.130
5+
RM297.840
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250V
240VAC
-
1 Phase, 3 Phase
5VA
-
240VAC
4163396

RoHS

Each
1+
RM461.120
5+
RM409.700
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
4163407

RoHS

Each
1+
RM337.550
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
10VA
-
415VAC
4163395

RoHS

Each
1+
RM380.690
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
4163404

RoHS

Each
1+
RM335.130
5+
RM297.840
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250V
240VAC
-
3 Phase
5VA
-
240VAC
4163406

RoHS

Each
1+
RM335.130
5+
RM297.840
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
10VA
-
415VAC
4163398

RoHS

Each
1+
RM364.030
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
16VA
208VAC
480VAC
4163402

RoHS

Each
1+
RM235.300
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
15VA
-
415VAC
4163408

RoHS

Each
1+
RM379.920
5+
RM337.550
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250V
415VAC
-
3 Phase
10VA
-
415VAC
4163399

RoHS

Each
1+
RM263.010
5+
RM233.750
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
3.5VA
208VAC
480VAC
2455513

RoHS

Each
1+
RM442.420
5+
RM433.580
10+
RM425.320
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
Screw
-
250V
480VAC
-
3 Phase
22VA
-
-
2780442

RoHS

Each
1+
RM979.110
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
Screw
-
250V
240VAC
-
1 Phase
2W
80V
300V
2295793

RoHS

Each
1+
RM440.880
5+
RM432.070
10+
RM423.250
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250V
415VAC
-
3 Phase
11VA
380VAC
415VAC
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