Modular prewired switch with plunger with M12 threaded bearing, Protection degree: IP67 according to EN 60529 and IP69K according to ISO 20653, Housing: Metal housing, 25 mm fixing points, Contact block: 1NO+1NC, snap action, change-over (BA1), Head: Plunger with M12 threaded bearing, Kind of connection: Metal connector M12 from bottom .