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Farnell 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
4259621
Each
1+
€148.440
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
Screw
250VAC
230VAC
3 Phase
8VA
170VAC
290VAC
-
2780441

RoHS

Each
1+
€162.480
Min: 1 / Mult: 1
Zelio RM22UA
DPDT
8A
DIN Rail
Screw
250VAC
415VAC
1 Phase
8VA
15V
500V
EN, IEC
2076503

RoHS

Each
1+
€44.410
5+
€43.530
10+
€42.650
30+
€41.800
100+
€40.970
Min: 1 / Mult: 1
-
SPDT
8A
DIN Rail
Screw
-
520VAC
3 Phase
8VA
77VAC
520VAC
-
1-3 of 3 items
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