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
4163403

RoHS

Each
1+
Rs.5,787.550
5+
Rs.5,565.630
10+
Rs.5,460.630
20+
Rs.5,359.220
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
4163407

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
4163395

RoHS

Each
1+
Rs.8,849.130
5+
Rs.8,509.100
10+
Rs.8,349.210
20+
Rs.8,195.300
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
240VAC
500VAC
-
3 Phase
5VA
145VAC
500VAC
4163398

RoHS

Each
1+
Rs.8,463.710
5+
Rs.8,137.990
10+
Rs.7,985.280
20+
Rs.7,838.520
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
16VA
208VAC
480VAC
4163402

RoHS

Each
1+
Rs.5,470.530
5+
Rs.5,260.540
10+
Rs.5,161.520
20+
Rs.5,067.260
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
-
250VAC
415VAC
-
3 Phase
15VA
-
415VAC
2056305

RoHS

Each
1+
Rs.22,548.810
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
194VAC
528VAC
2056304

RoHS

Each
1+
Rs.10,436.710
5+
Rs.10,123.600
10+
Rs.9,851.310
Min: 1 / Mult: 1
Zelio
DPDT
5A
DIN Rail
Screw
-
250VAC
440VAC
-
3 Phase
22VA
183V
484V
1344233

RoHS

Each
1+
Rs.6,527.770
5+
Rs.6,397.180
10+
Rs.6,269.240
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
1W
208VAC
480VAC
2455513

RoHS

Each
1+
Rs.10,232.850
5+
Rs.10,028.200
10+
Rs.9,823.540
Min: 1 / Mult: 1
Zelio
SPDT
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
22VA
-
-
2780442

RoHS

Each
1+
Rs.17,076.440
Min: 1 / Mult: 1
Zelio RM22UB
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
1 Phase
2W
80V
300V
2835320

RoHS

Each
1+
Rs.18,803.490
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
380V
480VAC
3111268

RoHS

Each
1+
Rs.6,126.410
5+
Rs.6,003.890
10+
Rs.5,881.360
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
15VA
183V
528VAC
2295793

RoHS

Each
1+
Rs.9,008.790
5+
Rs.8,638.560
10+
Rs.8,465.790
Min: 1 / Mult: 1
70 Series
SPDT
10A
DIN Rail, Panel
Screw
-
250VAC
415VAC
-
3 Phase
11VA
380V
415VAC
1895998

RoHS

Each
1+
Rs.10,453.810
5+
Rs.10,244.740
10+
Rs.10,035.660
Min: 1 / Mult: 1
CM-PFE
SPDT
4A
DIN Rail
Screw
-
250VAC
440VAC
-
3 Phase
15VA
208VAC
440VAC
4259624
Each
1+
Rs.15,035.330
Min: 1 / Mult: 1
-
SPDT
10A
Socket
Plug In
-
240VAC
-
-
3 Phase
90VA
200VAC
430VAC
3111267

RoHS

Each
1+
Rs.10,699.690
5+
Rs.10,485.700
10+
Rs.10,271.710
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250VAC
576VAC
-
3 Phase
15VA
380V
480VAC
2780443

RoHS

Each
1+
Rs.27,121.470
Min: 1 / Mult: 1
Zelio RM35UB3
DPDT
5A
DIN Rail
Screw
-
250VAC
277VAC
-
3 Phase
3.9VA
114VAC
329VAC
3922060

RoHS

Each
1+
Rs.17,370.650
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
Screw
-
250VAC
576VAC
-
3 Phase
4VA
208VAC
480VAC
2507215

RoHS

Each
1+
Rs.16,826.550
Min: 1 / Mult: 1
K8AK
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
2504231

RoHS

Each
1+
Rs.8,471.030
5+
Rs.8,255.880
10+
Rs.8,039.220
Min: 1 / Mult: 1
K8AK
DPDT-NC
5A
DIN Rail
Screw
-
250VAC
480VAC
-
3 Phase
-
200VAC
480VAC
2507225

RoHS

Each
1+
Rs.8,503.920
5+
Rs.8,333.850
10+
Rs.8,163.770
Min: 1 / Mult: 1
K8DS
SPDT
5A
DIN Rail
Screw
-
-
480VAC
-
3 Phase
-
-
-
3223352

RoHS

Each
1+
Rs.17,180.260
Min: 1 / Mult: 1
CM
DPDT
4A
DIN Rail
Screwless
-
230VAC
400VAC
-
3 Phase
-
360VAC
440VAC
3214133

RoHS

Each
1+
Rs.17,881.500
Min: 1 / Mult: 1
EMR6
DPDT
4A
DIN Rail
Screw
-
500V
500VAC
-
3 Phase
15VA
300VAC
500VAC
3111269

RoHS

Each
1+
Rs.15,395.130
Min: 1 / Mult: 1
Zelio
DPDT
8A
DIN Rail
Screw
-
250VAC
240VAC
-
3 Phase
10VA
200VAC
240VAC
9514430

RoHS

Each
1+
Rs.65,732.190
Min: 1 / Mult: 1
BD 9080
DPDT
-
DIN Rail
Screw
-
230VAC
400VAC
-
3 Phase
2.4VA
-
-
1-25 of 103 items
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