Control switch 2-pole with printing - Heating emergency switch - 0 - I - Surface-mounted with lens, IP55. For control circuit, with red LED unit 230 V for switch/button, with N terminal, with plug terminals, with mechanical coding of the rocker holder, allowing only correct mounting of the rocker onto the insert. With an entry for 2 wires and an entry for cable or pipe, full-area seal under the housing base for sealing the back of the housing, easily accessible funnel-shaped mounting holes in the housings. A Wago 2-wire connection terminal for wiring included, two snap-in places 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 in, secure fixation of the frame to the housing via bayonet quick-release. Not suitable for heating systems over 50 kW. Housing screws made of stainless steel. Surface-mounted installation. Material: plastic, thermoplastic, impact-resistant.