phase sequence monitoring relay / phase loss / phase unbalance / phase sequence
G2PFxxxS02 series

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phase sequence monitoring relay phase sequence monitoring relay - G2PFxxxS02 series


  • Measured/monitored value:

    phase sequence, phase loss, phase unbalance, phase sequence, phase comparison

  • Contact configuration:

    2 NO/NC

  • Other characteristics:

    adjustable, time delay, programmable, multifunction, three-phase, compact, configurable, electronic, with integrated transformer, for electric motors, AC, for generators, DIN rail

  • Trigger voltage:

    Max.: 400 V

    Min.: 115 V


The monitoring relays with the WatchDog seal provide detailed status indications in a compact, space-saving housing. The devices are notable for isolating the supply from the measuring circuits even for DC applications.

Voltage monitoring in 3-phase mains
Monitoring relays - GAMMA series
Monitoring of phase sequence and phase failure
Detection of reverse voltage
Connection of neutral wire optional
Supply voltage = measuring voltage
2 change-over contacts
Width 22.5mm
Industrial design