Additional power supply unit for Digibus video door entry system with outputs 12 Vd.c., 13.5 Vd.c., 15 V and 18 Vd.c., power supply 230 V~, for use in Digibus building complex type systems with non-digital secondary video entrance panels, installation on DIN rail (60715 TH35), occupies 12 modules size 17.5 mm
