bticino 343101 intercom system accessory Call button module

Linea 100 two wires audio entrance panel with 4 pushbuttons call. Fitted with an internal contact (C – NO – NC) for the connection of an electrical door lock, or an external actuator (for the powering of the electrical door lock use an auxiliary transformer, item 336842). Connection (PL) for a local door lock release pushbutton. Wall mounted installation.