Modular prewired switch with unidirectional roller lever, Protection degree: IP67 according to EN 60529 and IP69K according to ISO 20653, Housing: Technopolymer housing, 20 mm fixing points, Contact block: 1NO+1NC snap action (B11), Head: Unidirectional roller lever, Kind of connection: Technopolymer connector AMP superseal 1.5 from bottom, Positive opening: Yes.