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.
Show More
View
Buyer
Engineer
Manufacturer
Product Range
Contact Configuration
Contact Current
Relay Mounting
Relay Terminals
Switching Voltage Max
Supply Voltage Max
Phase Type
Power Consumption
Phase Monitoring Range Min
Phase Monitoring Range Max
Packaging
Filter(s) Applied
1 Filter(s) Selected
ComparePrice ForQuantity
2780442

RoHS

Each
1+
Rs.13,795.890
Min: 1 / Mult: 1
Harmony RM22UB Series
DPDT
8A
DIN Rail
Screw
250VAC
240VAC
1 Phase
2W
80V
300V
3111268

RoHS

Each
1+
Rs.6,889.910
5+
Rs.6,752.120
10+
Rs.6,614.320
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
15VA
183VAC
528VAC
2780440

RoHS

Each
1+
Rs.14,741.960
Min: 1 / Mult: 1
Harmony RM22UA Series
DPDT
8A
DIN Rail
Screw
250VAC
240VAC
1 Phase
1.5W
15V
500V
3111267

RoHS

Each
1+
Rs.12,418.120
5+
Rs.12,169.760
10+
Rs.11,921.400
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
250VAC
576VAC
3 Phase
15VA
380VAC
480VAC
3111269

RoHS

Each
1+
Rs.15,395.130
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
250VAC
240VAC
3 Phase
10VA
200VAC
240VAC
4300430

RoHS

Each
1+
Rs.17,800.950
Min: 1 / Mult: 1
PPB01 Series
SPDT
8A
Socket
Plug In
250VAC
-
3 Phase
2.5VA
380VAC
480VAC
4236649

RoHS

Each
1+
Rs.10,584.140
5+
Rs.10,372.460
10+
Rs.10,165.010
Min: 1 / Mult: 1
MWS Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
22VA
183VAC
528VAC
2835320

RoHS

Each
1+
Rs.13,825.090
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
15VA
380VAC
480VAC
3050817

RoHS

Each
1+
Rs.7,047.230
5+
Rs.6,906.290
10+
Rs.6,765.350
Min: 1 / Mult: 1
70 Series
DPDT
8A
DIN Rail, Panel
Screw
400VAC
480VAC
3 Phase
800mW
170VAC
520VAC
2780438

RoHS

Each
1+
Rs.20,245.520
Min: 1 / Mult: 1
Harmony RM22UA Series
DPDT
8A
DIN Rail
Screw
250VAC
240VAC
1 Phase
1.5W
50mV
5V
3922060

RoHS

Each
1+
Rs.13,952.270
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT-CO
8A
DIN Rail
Screw
250VAC
576VAC
3 Phase
4VA
208VAC
480VAC
2780439

RoHS

Each
1+
Rs.13,648.190
Min: 1 / Mult: 1
Harmony RM22UA Series
DPDT
8A
DIN Rail
Screw
250VAC
240VAC
1 Phase
1.5W
1V
100V
2780441

RoHS

Each
1+
Rs.17,970.820
Min: 1 / Mult: 1
Harmony RM22UA Series
DPDT
8A
DIN Rail
Screw
250VAC
415VAC
1 Phase
8VA
15V
500V
2780437

RoHS

Each
1+
Rs.9,458.500
5+
Rs.9,269.330
10+
Rs.9,080.160
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
250VAC
240VAC
3 Phase
10VA
200VAC
240VAC
3862940
Each
1+
Rs.5,734.090
Min: 1 / Mult: 1
EWS2 Series
DPDT
8A
-
Screw
440VAC
440VAC
-
25VA
230VAC
440VAC
9419250
Each
1+
Rs.4,980.810
5+
Rs.4,867.260
10+
Rs.4,758.410
20+
Rs.4,663.250
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
Screw
-
500VAC
3 Phase
4VA
180VAC
500V
1-16 of 16 items
of 1 page(s)

Popular Suppliers

ABB
SCHNEIDER ELECTRIC
OMRON
EATON MOELLER
SIEMENS
TE CONNECTIVITY
PANASONIC
CROUZET