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
4163405

RoHS

Each
1+
RM335.130
5+
RM297.840
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase, 3 Phase
5VA
-
240VAC
4163404

RoHS

Each
1+
RM335.130
5+
RM297.840
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
5VA
-
240VAC
4163398

RoHS

Each
1+
RM364.030
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
16VA
208VAC
480VAC
4163401

RoHS

Each
1+
RM294.980
5+
RM262.100
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3VA
208VAC
480VAC
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
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
4163402

RoHS

Each
1+
RM235.300
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
4163399

RoHS

Each
1+
RM263.010
5+
RM233.750
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3.5VA
208VAC
480VAC
4163403

RoHS

Each
1+
RM248.980
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
4163406

RoHS

Each
1+
RM335.130
5+
RM297.840
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
4163407

RoHS

Each
1+
RM337.550
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
4163408

RoHS

Each
1+
RM379.920
5+
RM337.550
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
2056305

RoHS

Each
1+
RM1,243.830
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
Screw
-
250VAC
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
-
250VAC
480VAC
-
3 Phase
1W
208VAC
480VAC
2455513

RoHS

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

RoHS

Each
1+
RM979.110
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
2W
80V
300V
3111268

RoHS

Each
1+
RM350.990
5+
RM343.980
10+
RM336.960
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
183VAC
528VAC
2295793

RoHS

Each
1+
RM440.880
5+
RM432.070
10+
RM423.250
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
415VAC
-
3 Phase
11VA
380VAC
415VAC
1895998

RoHS

Each
1+
RM557.440
5+
RM458.790
10+
RM449.620
Min: 1 / Mult: 1
CM-PFE
SPDT
4A
DIN Rail
Screw
-
250VAC
440VAC
-
3 Phase
15VA
208VAC
440VAC
2780440

RoHS

Each
1+
RM876.490
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
1.5W
15V
500VAC
3111267

RoHS

Each
1+
RM637.210
5+
RM624.470
10+
RM611.730
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250VAC
576VAC
-
3 Phase
15VA
380VAC
480VAC
4259624
Each
1+
RM888.370
Min: 1 / Mult: 1
-
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
2780443

RoHS

Each
1+
RM1,470.490
Min: 1 / Mult: 1
Zelio RM35UB3
DPDT
5A
DIN Rail
Screw
-
250VAC
277VAC
-
3 Phase
3.9VA
114VAC
329VAC
3922060

RoHS

Each
1+
RM768.040
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
Screw
-
250VAC
576VAC
-
3 Phase
4VA
208VAC
480VAC
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