Phase & Voltage Protection Relay

Phase & Voltage Protection Relay
Phase & Voltage Protection Relay

INTRODUCTION

  • Sequence/under voltage/over voltage/asymmetric voltage protection relays to continuously monitor AC power supplies in the 3φ4W system.
  • Output relay will operate to ON (terminal 15 & terminal 18 close) when power is applied to the unit normally, and simultaneously detect if supplied power voltage are within the set voltage range, and phase in correct sequence.
  • 5% to 20% Knob-adjustable separately for over voltage and under voltage.5% to 15% Knob-adjustable for asymmetric voltage .If voltage is over or under than the setting voltage for over 3 seconds, or asymmetic voltage is over the setting value for over 3 seconds, then the output relay will be released to its original position(terminal 15 & terminal 16 close).

Product Description
SPECIFICATIONS
ITEM NO:
  • VP-34
  • RATED VOLTAGEL-N AC :127/132/138/220/230/240/254 (Selectable)
  • FREQUENCY: 50 or 60Hz
  • RESPONSE TIME OF RELAY: DELAY ON: 0.5 Sec DELAY OFF: 3 Sec
  • CONTACT RATING:AC15:250V AC 3A
  • RESET TIME:0.2 Sec Max.
  • AMBIENT TEMP.:-10°C ~-55°C
  • SETTING ERROR:± 10% MAX.
  • REPEAT ERROR: ± 2% MAX.
  • VOLTAGE ERROR: ± 2% MAX.
  • TEMP. ERROR: ± 2% MAX.