Key switch, changeover switch with 2 positions and markings '1' and '2' in polar white. The key changeover switch with markings is equipped with separate input terminals, has a protection rating of IP55, and is fitted with a lock and matching closures. It is suitable for central locking systems and comes with 2 keys. The key can be removed in 2 positions and is marked for On/Off. The switch features screw terminals, an entry for 2 wires, and an entry for cable or pipe. A full-area seal under the housing base ensures the sealing of the rear of the housing. The funnel-shaped mounting holes in the housings are easily accessible. A Wago 2-wire connection terminal for wiring is included. There are two snap-in places for Wago 2-wire connection terminals in the housing base, as well as ample space for wiring under the bases of the inserts (hollow base). The installation of the insert in the housing is easily done by snapping in, and the frame is securely fixed to the housing via a bayonet quick-release mechanism. The housing screws are made of stainless steel. This is a surface-mounted installation. Material: plastic, thermoplastic, impact-resistant.