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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2835320

RoHS

Each
1+
HK$1,239.940
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
15VA
380V
480V
2780442

RoHS

Each
1+
HK$1,103.050
Min: 1 / Mult: 1
Harmony RM22UB Series
DPDT
8A
DIN Rail
Screw
250VAC
240VAC
1 Phase
2W
80V
300V
3111268

RoHS

Each
1+
HK$748.850
5+
HK$746.370
10+
HK$620.160
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
15VA
183VAC
528VAC
3111267

RoHS

Each
1+
HK$1,351.960
5+
HK$1,324.930
10+
HK$1,297.890
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
250VAC
576VAC
3 Phase
15VA
380V
480V
3922060

RoHS

Each
1+
HK$1,072.780
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT-CO
8A
DIN Rail
Screw
250VAC
576VAC
3 Phase
4VA
208VAC
480V
2780440

RoHS

Each
1+
HK$1,284.130
Min: 1 / Mult: 1
Harmony RM22UA Series
DPDT
8A
DIN Rail
Screw
250VAC
240VAC
1 Phase
1.5W
15V
500V
4236649

RoHS

Each
1+
HK$947.870
5+
HK$888.270
10+
HK$870.510
Min: 1 / Mult: 1
MWS Series
SPDT
8A
DIN Rail
Screw
250VAC
480VAC
3 Phase
22VA
183VAC
528VAC
4300430

RoHS

Each
1+
HK$1,113.900
Min: 1 / Mult: 1
PPB01 Series
SPDT
8A
Socket
Plug In
250VAC
-
3 Phase
2.5VA
380V
480V
3050817

RoHS

Each
1+
HK$909.720
5+
HK$891.530
10+
HK$873.340
Min: 1 / Mult: 1
70 Series
DPDT
8A
DIN Rail, Panel
Screw
400VAC
480VAC
3 Phase
800mW
170VAC
520VAC
2780438

RoHS

Each
1+
HK$1,433.000
Min: 1 / Mult: 1
Harmony RM22UA Series
DPDT
8A
DIN Rail
Screw
250VAC
240VAC
1 Phase
1.5W
50mV
5V
2780439

RoHS

Each
1+
HK$1,160.520
Min: 1 / Mult: 1
Harmony RM22UA Series
DPDT
8A
DIN Rail
Screw
250VAC
240VAC
1 Phase
1.5W
1V
100V
3111269

RoHS

Each
1+
HK$1,408.650
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
250VAC
240VAC
3 Phase
10VA
200VAC
240VAC
2780441

RoHS

Each
1+
HK$1,355.400
Min: 1 / Mult: 1
Harmony RM22UA Series
DPDT
8A
DIN Rail
Screw
250VAC
415VAC
1 Phase
8VA
15V
500V
2780437

RoHS

Each
1+
HK$1,182.780
5+
HK$1,159.130
10+
HK$1,135.470
Min: 1 / Mult: 1
Harmony RM22 Series
DPDT
8A
DIN Rail
Screw
250VAC
240VAC
3 Phase
10VA
200VAC
240VAC
3862940
Each
1+
HK$425.530
Min: 1 / Mult: 1
EWS2 Series
DPDT
8A
-
Screw
440VAC
440VAC
-
25VA
230VAC
440VAC
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