Modular prewired switch with unidirectional roller lever, Modular prewired switch, Protection degree: IP67 according to EN 60529 and IP69K according to ISO 20653, Housing: Metal housing, 20 mm fixing points, Contact block: 1NO+2NC snap action (B12), Head: Unidirectional roller lever, Kind of connection: Metal connector M12 from bottom 8 poles, Positive opening: Yes.