4-way distributor for video door intercom system VT200. Reverse polarity protected 2-wire bus connection (looped through) to a VT200 system power supply unit. Distribution to up to four spur lines for up to two indoor stations each (in series). Also required for connecting more than one door intercom in the system. Power supply: 24-29V DC, max. 1.3W from system power supply unit. In REG housing for top hat rail mounting (4TE). Incl. wall bracket. Dimensions: 72 x 89 x 45mm.