Phase Monitoring Relays:

103 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
9515399

RoHS

Each
1+
Rs.12,301.700
5+
Rs.12,049.530
10+
Rs.11,831.150
Min: 1 / Mult: 1
MK 9056
DPDT
-
DIN Rail
Screw
-
230VAC
500VAC
-
3 Phase
-
-
-
3214139

RoHS

Each
1+
Rs.22,475.850
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
18VA
300VAC
500VAC
4377819

RoHS

Each
1+
Rs.9,197.100
5+
Rs.8,806.650
10+
Rs.8,630.670
Min: 1 / Mult: 1
DPA51 Series
SPDT
5A
DIN Rail
Screw
-
24VDC
480VAC
-
3 Phase
13VA
177VAC
552VAC
4163401

RoHS

Each
1+
Rs.6,093.310
5+
Rs.5,859.450
10+
Rs.5,749.680
20+
Rs.5,644.700
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3VA
208VAC
480VAC
4236649

RoHS

Each
1+
Rs.10,901.660
5+
Rs.10,683.640
10+
Rs.10,469.970
Min: 1 / Mult: 1
MWS Series
SPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
183V
528V
4300430

RoHS

Each
1+
Rs.18,554.100
Min: 1 / Mult: 1
PPB01 Series
SPDT
8A
Socket
Plug In
-
250VAC
-
-
3 Phase
2.5VA
380VAC
480VAC
4163405

RoHS

Each
1+
Rs.6,922.470
5+
Rs.6,657.600
10+
Rs.6,532.320
20+
Rs.6,411.810
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase, 3 Phase
5VA
-
240VAC
4163396

RoHS

Each
1+
Rs.9,525.260
5+
Rs.9,158.980
10+
Rs.8,987.170
20+
Rs.8,822.520
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
4300429

RoHS

Each
1+
Rs.9,797.470
5+
Rs.9,601.530
10+
Rs.9,405.580
Min: 1 / Mult: 1
DPB51 Series
SPDT
5A
DIN Rail, Panel
Screw
-
250VAC
-
-
3 Phase
13VA
208VAC
480VAC
4163404

RoHS

Each
1+
Rs.6,922.470
5+
Rs.6,657.600
10+
Rs.6,532.320
20+
Rs.6,411.810
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
5VA
-
240VAC
4163406

RoHS

Each
1+
Rs.6,922.470
5+
Rs.6,657.600
10+
Rs.6,532.320
20+
Rs.6,411.810
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
4163397

RoHS

Each
1+
Rs.10,211.460
5+
Rs.9,820.110
10+
Rs.9,635.190
20+
Rs.9,458.600
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
240VAC
300V
-
3 Phase
5VA
85V
300V
4163408

RoHS

Each
1+
Rs.7,848.410
5+
Rs.7,546.560
10+
Rs.7,404.580
20+
Rs.7,267.380
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
DPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
10VA
-
415VAC
4163399

RoHS

Each
1+
Rs.5,433.300
5+
Rs.5,224.510
10+
Rs.5,126.670
20+
Rs.5,032.420
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
3.5VA
208VAC
480VAC
4259621
Each
1+
Rs.10,063.330
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
-
250VAC
230VAC
-
3 Phase
8VA
170VAC
290VAC
4259625
Each
1+
Rs.13,959.190
Min: 1 / Mult: 1
-
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
2811545

RoHS

Each
1+
Rs.4,709.930
5+
Rs.4,585.980
10+
Rs.4,494.270
20+
Rs.4,402.550
Min: 1 / Mult: 1
SM 301 Series
SPDT
5A
DIN Rail
Screw
250V
250VAC
415VAC
28V
3 Phase
15VA
-
415VAC
2780436

RoHS

Each
1+
Rs.16,995.250
5+
Rs.16,655.350
10+
Rs.16,315.440
Min: 1 / Mult: 1
Zelio RM17UBE
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.6,643.430
5+
Rs.6,323.380
10+
Rs.6,161.240
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-PFS.S
SPDT
-
DIN Rail
Screw
-
24VDC
500VAC
-
3 Phase
-
200VAC
500VAC
2780440

RoHS

Each
1+
Rs.19,392.800
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
1.5W
15V
500VAC
2780435

RoHS

Each
1+
Rs.19,204.480
Min: 1 / Mult: 1
Zelio RM17UB3
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
183V
528V
3214134

RoHS

Each
1+
Rs.21,641.860
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
-
250VAC
500VAC
-
3 Phase
3VA
300VAC
500VAC
1895997

RoHS

Each
1+
Rs.6,680.870
5+
Rs.6,386.130
10+
Rs.6,203.660
Min: 1 / Mult: 1
-
SPST-NO
4A
DIN Rail
Screw
-
250VAC
130VAC
-
1 Phase
-
110VAC
130VAC
26-50 of 103 items
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