ex VAT

Phase Monitoring Relays:

146 Products Found

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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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
-
3484517

RoHS

Each
1+
€155.000
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484521

RoHS

Each
1+
€143.000
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484536

RoHS

Each
1+
€301.000
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484516

RoHS

Each
1+
€155.000
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3487978

RoHS

Each
1+
€329.000
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484519

RoHS

Each
1+
€143.000
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484522

RoHS

Each
1+
€143.000
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484523

RoHS

Each
1+
€163.000
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484533

RoHS

Each
180+
€225.480
Min: 180 / Mult: 180
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3487983

RoHS

Each
1+
€365.000
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484525

RoHS

Each
1+
€163.000
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484515

RoHS

Each
1+
€135.000
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484524

RoHS

Each
1+
€163.000
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
3484513

RoHS

Each
1+
€123.000
Min: 1 / Mult: 1
SIRIUS 3UG4 Series
-
-
-
-
-
-
-
-
-
-
-
-
-
2926873

RoHS

Each
1+
€268.000
Min: 1 / Mult: 1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
4259623
Each
1+
€229.360
Min: 1 / Mult: 1
-
SPDT
5A
DIN Rail
-
Screw
250VAC
-
-
3 Phase
30VA
280VAC
600VAC
-
4698899
Each
1+
€141.670
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
-
Screw
250VAC
240V
-
3 Phase
2VA
-
240V
-
4698900
Each
1+
€158.100
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
-
Screw
250VAC
480V
-
3 Phase
2VA
-
480V
-
4698898
Each
1+
€155.810
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
-
Screw
250VAC
208V
-
3 Phase
2VA
-
208V
-
4698901
Each
1+
€171.840
Min: 1 / Mult: 1
200 Series
SPDT
8A
DIN Rail
-
Screw
250VAC
575V
-
3 Phase
2VA
-
575V
-
126-146 of 146 items
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