Complete unit with pushbutton, fixing adapter and contact, Protection degree: IP67 according to EN 60529 and IP69K according to ISO 20653, Composition: (1x) E2 1PU2S321L1: Spring-return red projecting pushbutton; (1x) E2 1BAC11: Fixing adpter for E2 CP contact block or for E2 LP LED holder; (1x) E2 CP01G2V1: Base fixing contact block E2 series, 1NC slow action.