Pushbutton, Non Illuminated, Heavy Duty, Color Green, Action Momentary, Type of Operator Mushroom, Size 30mm, Material of Construction Chrome Plate, Zinc Die-Cast, NEMA Rating 4 and 13, Contact Type 1NC, Voltage 600, Amps 10, AC Rated A600, DC Rated Q600, Operation Direct Acting, Head 1-5/8 In. Mushroom, Use with Contact Block 30G318, Standards UL/CSA/CE Dayton 30mm Push Buttons Complete UnitsChrome-plated zinc die-cast construction. Direct-acting operation.UL Listed. CSA and CE Certified.NEMA 4 and 13 rated