Position switch with roller piston plunger, Housing: Technopolymer housing, one threaded PG 13,5 conduit entry and external parts in stainless steel (FR series), Contact block: 1NO+1NC slow action, overlapped contacts (B7), Head: With roller piston plunger and external parts in stainless steel, Protection degree: IP67 according to EN 60529 and IP69K according to ISO 20653, Positive opening: Yes.