Push Button Operator, 22 mm, Maintained Push / Maintained Pull, Type of Operator 30mm dia Mushroom Head, Basic Material Plastic, Head Material Plastic, Bezel Material Double-Insulated Plastic, Color Black, NEMA Rating 1, 13, 2, 3, 4, 4X, IP Rating 66, Legend No Legend, Standards CE, CSA, RoHS, UL