Screw-on rocker switch with red lens and imprint 0 S.1/B.3/B.7 polar white. Screw-on rocker switch with red lens and imprint - 0 - with cover plug for screwing. For rocker switches 2- and 3-pole off. For lighting and control circuit. For group button BA 1-way. Flush-mounted installation, standard/surface/design range. Material: plastic, thermoplastic, shatterproof, halogen-free.