Modular prewired switch with roller plunger, Protection degree: IP67 according to EN 60529 and IP69K according to ISO 20653, Housing: Technopolymer housing, 20 mm fixing points, Contact block: 2NO+2NC slow action (G22), Head: Roller plunger, Kind of connection: Technopolymer connector 2NO+2NC, Positive opening: Yes.