Video 2-wire:BUS supply unit for central supply and control, article number: NVV1000-0400, product features, device type: video 2-wire:BUS supply unit, communication technology: video 2-wire:BUS, mounting form: top hat rail DIN EN 60715, operating display: yellow LED (operating mode, programming mode), programming button(s), technical data, mechanical properties, dimensions HxWxD (mm): 70x105x90, design series installation housing 6 HP for top hat rail DIN EN 60715', material / color: ABS / RAL7035, permissible ambient temperature (degrees C): 0 degrees C +40 degrees C, protection class: IP20, number of integrable modules: already exists, electrical properties, supply voltage: integrated power supply 100 240 V AC plus-minus 10%, 50 60 Hz', external mains fuse (A): min. 2 A (recommended), power consumption, maximum (W): 30 W, output voltage: U(av/bv) = 32 V (idle), U(av/bv) = 28.8 V (speaking), U(Pv) = 33 V overload protected, short-circuit proof, output current terminals I (A): I(av),(Pv) = 300 mA, I(Pv max) = 600 mA', number of wires: video 2-wire: bus, light switching time: 0.8s to 5min, normally open contact potential-free, max. load capacity 24 VDC 1 A, door opening time: 0.8s to 8s, door opening supply (AC / DC): 12V AC, max. 1 A or 12V DC, max. 0.5 A (selectable via jumper), internally / externally switched, automatic gain control, GENERAL INFORMATION, video 2-wire: BUS Supply unit for central supply and control of polarity-free 2-wire video systems on the non-twisted strand. Possibility of connecting up to 24 indoor stations and one outdoor station. Implementation of star branches. Implementation of spur lines with 2-way video distributor (FVY2200-0600). 1 speech path per system