Push Button Operator, 22 mm, Maintained Push / Turn To Release, Type of Operator 40mm Mushroom Head, Basic Material Metal, Head Material Metal, Bezel Material Chromed Plated Metal, Color Red, NEMA Rating 1, 12, 13, 2, 3, 4, 4X, IP Rating 66, Legend No Legend, Standards CSA C22.2 N.14, EN/IEC 60204-1, EN/IEC 60947-1, EN/IEC 60947-5-1, EN/IEC 60947-5-4, EN/IEC 60947-5-5, EN/ISO 13850, JIS C 4520, UL508