H6951 Push Button Operator 22 mm Momentary Push Type of Operator 30mm dia Mushroom Head Basic Material Metal Head Material Aluminum-Zinc Alloy Bezel Material Chrome Die Cast Aluminum Color Green NEMA Rating 1 13 2 3 4 4X IP Rating 66 Legend No Legend Standards CE CSA EN/IEC 60947-1 EN/IEC 60947-5-1 RoHS UL