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3 phase by COS φ – PF-R Relays

3 phase by COS φ – PF-R Relays-3 phase by COS φ – PF-R Relays

Sipariş No : 3 phase by COS φ – PF-R Relays

Using the motor itself as a sensor and without requiring any external detectors, they monitor the cos φ of the motor and stop it before a breakdown occurs caused by dry running, cavitation or closed valve.

3 phase by COS φ – PF-R Relays


Using the motor itself as a sensor and without requiring any external detectors, they monitor the cos φ of the motor and stop it before a breakdown occurs caused by dry running, cavitation or closed valve.
 
Model Motor Code RangeIB
(A)
Motor 400 V
3x230V 3x400V HP kW
PF16-R THREE PHASE 12173   4 – 16,6 3 – 10 2,2 – 7,5
  12165 4 – 16,6 3 – 10 2,2 – 7,5
PF47-R 12168   16-47,5 10 – 30 7,5 – 22
  12167 16-47,5 10 – 30 7,5 – 22
 
 
WITHOUT LEVEL SENSORS
 
  • Without requiring level sensors to detected dry running.
  • For three phase motors from 1 to 630 A and over. Cable feed through.
  • Precise motor heating and cooling memory, reproduces its thermal image.
  • Visual indication of tripping cause.
  • Adjustable reset time for cos φ.
 Protection Functions
  • Overload
  • Underload cos φ
  • Phase imbalance or phase loss
  • Phase sequence

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