Bus line supply REG light grey/grey. Bus line supply to supply indoor stations for intercom systems in accordance with DIN EN 50486 in 2-wire and i2Audio technology. DIN rail mounting device in accordance with DIN EN 60715 with plug-in connection terminals. Reverse polarity protected supply of the bus components with SELV bus low voltage. Device not compatible with door communication systems from other manufacturers. Integrated audio decoupler. Short circuit, overload and overheating protection as well as LED display for operating status.
