2-pole off switch with imprint '0' and '1' AP W.1 gray. 2-pole off switch with imprint - 0 - and - I - AP, IP55, with mechanical coding of the rocker holder, which only allows the rocker to be plugged onto the insert in the correct position, with N terminal, with plug-in terminals, with an entry for 2 cables and an entry for a cable or pipe, full-surface seal under the housing base to seal the rear of the housing, easily accessible, funnel-shaped mounting holes in the housings, a Wago 2-wire connection terminal included for wiring, two snap-in locations for Wago 2-wire connection terminals in the housing base, plenty of space for wiring under the bases of the inserts (hollow base), easy installation of the insert in the housing by snapping it into place, secure fixing of the frame to the housing via bayonet quick-release fastener, housing screws made of stainless steel. Surface-mounted installation. Material: plastic, thermoplastic, impact-resistant.