ABDL-central 4000, vers. 2
Item number:ABDL4000-2
Supplier item number153223
Automatic fire door closing system, ABDL 4000, version 2, multiprotocol.
The new version of the well-known ABDL central unit is a multi-protocol unit, which covers the previous variants. The firmware is set with a rotary knob in the unit. In addition, it has been increased from 300mA to 500mA.