What are the differences between the VAMP 221/321 modules?

FA180138

1/01/0001

Resolution: 
VAM 3L

  • Three supervised fiber loop arc sensor connections
  • One heavy duty trip relay
  • Portable arc sensor connection


VAM 4C

  • 3-phase current measurement or 2-phase and earth-fault current measurement
  • Current pick-up setting by potentiometer and led display
  • Indication of current channel pick-up
  • One heavy duty trip relay


VAM 10L

  • 10 point arc sensor connections
  • Portable arc sensor connection
  • One heavy duty trip relay
  • Continuous supervision of APS_SENSORS
  • Indication of the sensor channel and trip relay activation


VAM 12L

  • 3 selective trip output contacts for dedicated APS_SENSORS
  • 10 point arc sensor connections
  • Portable arc sensor connection
  • One heavy duty trip relay
  • Continuous supervision of APS_SENSORS
  • Indication of the sensor channel and trip relay activation