Pushbutton Switches: Type - Non-Lighted Pushbutton Switch; Circuit Configuration - SPST NO; Circuit Operation - On-Off (momentary / maintained); Button Type - Round Button; Button Material - Nylon; Amps/12-125Vac - 15A/125V; Amps/250V - 10A/250V; Horsepower - 0.3HP/125-250Vac; Voltage - 250VAC; Terminals - Screw; Contacts - Silver; Mounting Size - 0.68 in Dia. Hole; Additional Information - Button Extension Dimension : 0.531 in(13.49), One Hole Mounted; Manufacturer Series - 8440 Series