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
1344233

RoHS

Each
1+
HK$746.910
5+
HK$683.770
10+
HK$620.620
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
Screw
250V
480V
3 Phase
1W
208VAC
480VAC
4163401

RoHS

Each
1+
HK$466.710
5+
HK$403.300
10+
HK$395.430
20+
HK$387.770
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
250V
480V
3 Phase
3VA
208VAC
480VAC
4163398

RoHS

Each
1+
HK$551.010
5+
HK$528.970
10+
HK$518.570
20+
HK$508.670
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
250V
480V
3 Phase
16VA
208VAC
480VAC
4163399

RoHS

Each
1+
HK$416.120
5+
HK$359.600
10+
HK$352.510
20+
HK$345.720
Min: 1 / Mult: 1
MP Voltage Monitoring Relays
SPDT
5A
DIN Rail
Screw
250V
480V
3 Phase
3.5VA
208VAC
480VAC
1895998

RoHS

Each
1+
HK$809.670
5+
HK$666.420
10+
HK$653.100
Min: 1 / Mult: 1
CM-PFE
SPDT
4A
DIN Rail
Screw
250V
440VAC
3 Phase
15VA
208VAC
440VAC
3922060

RoHS

Each
1+
HK$1,103.460
Min: 1 / Mult: 1
-
DPDT-CO
8A
DIN Rail
Screw
250V
576VAC
3 Phase
4VA
208VAC
480VAC
4300429

RoHS

Each
1+
HK$1,145.460
5+
HK$1,060.610
10+
HK$1,059.320
Min: 1 / Mult: 1
DPB51 Series
SPDT
5A
DIN Rail, Panel
Screw
250V
-
3 Phase
13VA
208VAC
480VAC
4244638

RoHS

Each
1+
HK$675.770
5+
HK$662.260
10+
HK$648.740
Min: 1 / Mult: 1
70 Series
SPDT
6A
DIN Rail
Push In
400VAC
415VAC
3 Phase
1W
208VAC
480VAC
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