Screw-on rocker switch with imprint 0 S.1/B.3/B.7 polar white, matt. Screw-on rocker switch with imprint - 0 - with cover plug for screwing. For rocker switches 2- and 3-pole Aus. Flush-mounted installation, standard/surface/design range. Material: plastic, thermoplastic, shatter-proof, halogen-free.