• Expansion module for ST3 door control system
  • Distributed micro-controller technology: allows to read credentials from all proximity readers at the same time
  • Number of doors supported : four(4) doors
  • Supports release input for each door
  • Supports door contact monitoring for each door
  • Supports exit motion sensor for each door
  • Supports direct connection of 12Vdc Electric strikes and magnetic locks
  • Specs for locking device: 12Vdc, 0.5 A max
  • Led’s status on board – sensors status and door unlock status
  • Input Voltage: 12Vdc to 14Vdc
  • Expansion board consumption: 132 mA
  • Recommended power supply: 12Vdc, 2.5 A – When power supply provides power for expansion board and four (4) locking devices