Phase Monitoring Relays:

102 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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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
9514430

RoHS

Each
1+
Rs.62,140.240
Min: 1 / Mult: 1
BD 9080 Series
DPDT
-
DIN Rail
Screw
-
230VAC
400VAC
-
3 Phase
2.4VA
-
-
9515399

RoHS

Each
1+
Rs.13,213.320
5+
Rs.12,795.080
10+
Rs.12,700.210
Min: 1 / Mult: 1
-
DPDT
-
DIN Rail
Screw
-
230VAC
500VAC
-
3 Phase
-
-
-
3214139

RoHS

Each
1+
Rs.23,592.360
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
18VA
300VAC
500VAC
4259624
Each
1+
Rs.17,407.340
Min: 1 / Mult: 1
SLU Series
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
9515046

RoHS

Each
1+
Rs.10,217.750
5+
Rs.10,013.400
10+
Rs.9,809.040
Min: 1 / Mult: 1
-
SPST-NC
-
DIN Rail
Screw
-
230VAC
400VAC
-
3 Phase
-
-
-
2455513

RoHS

Each
1+
Rs.10,763.200
5+
Rs.10,547.940
10+
Rs.10,332.680
Min: 1 / Mult: 1
Harmony RM17 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
-
-
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
500VAC
4377819

RoHS

Each
1+
Rs.9,340.460
Min: 1 / Mult: 1
DPA51 Series
SPDT
5A
DIN Rail
Screw
-
24VDC
480VAC
-
3 Phase
13VA
177VAC
552VAC
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
183V
528V
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
4300429

RoHS

Each
1+
Rs.10,920.510
5+
Rs.10,702.100
10+
Rs.10,483.690
Min: 1 / Mult: 1
DPB51 Series
SPDT
5A
DIN Rail, Panel
Screw
-
250VAC
-
-
3 Phase
13VA
208VAC
480VAC
4163404

RoHS

Each
1+
Rs.6,701.950
5+
Rs.5,922.270
Min: 1 / Mult: 1
-
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
5VA
-
240VAC
4259621
Each
1+
Rs.11,889.060
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250VAC
230VAC
-
3 Phase
8VA
170VAC
290VAC
4259625
Each
1+
Rs.16,002.860
Min: 1 / Mult: 1
SLU Series
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
2811545

RoHS

Each
1+
Rs.4,572.740
5+
Rs.4,452.400
10+
Rs.4,363.360
20+
Rs.4,274.310
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
250V
250VAC
415VAC
28V
3 Phase
15VA
-
415VAC
2780436

RoHS

Each
1+
Rs.15,834.710
5+
Rs.14,549.860
10+
Rs.13,265.000
Min: 1 / Mult: 1
Harmony RM17 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
48V
-
1 Phase
3.9VA
20V
80V
2295791

RoHS

Each
1+
Rs.8,156.940
5+
Rs.7,993.790
10+
Rs.7,833.920
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
240VAC
-
1 Phase
2.6VA
220VAC
240VAC
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
2102326

RoHS

Each
1+
Rs.12,083.610
5+
Rs.11,480.030
10+
Rs.10,876.450
Min: 1 / Mult: 1
CM Series
SPDT
-
DIN Rail
Screw
-
24VDC
500VAC
-
3 Phase
-
200VAC
500VAC
2780435

RoHS

Each
1+
Rs.20,150.480
Min: 1 / Mult: 1
Harmony RM17 Series
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
183V
528V
3214134

RoHS

Each
1+
Rs.22,669.400
Min: 1 / Mult: 1
EMR6 Series
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
3VA
300VAC
500VAC
1895997

RoHS

Each
1+
Rs.7,305.770
5+
Rs.6,983.470
10+
Rs.6,783.940
Min: 1 / Mult: 1
CM-MSE Series
SPST-NO
4A
DIN Rail
Screw
-
250VAC
130VAC
-
1 Phase
-
110VAC
130VAC
3223348

RoHS

Each
1+
Rs.22,885.660
Min: 1 / Mult: 1
CM Series
DPDT
4A
DIN Rail
Screwless
-
230VAC
500VAC
-
3 Phase
-
300VAC
500VAC
2813563
Each
1+
Rs.12,903.790
Min: 1 / Mult: 1
460 Series
SPDT
10A
DIN Rail
Screw
-
240VAC
480VAC
-
3 Phase
6W
190VAC
480VAC
26-50 of 102 items
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