SB4011-Series Miniature Pushbutton Switches3A Power Level & 0.4VA Logic Level; Bushing Mount, UL, CSA, cULusSingle-throw Double BreakOptional caps in different colors to vary appearance as needed. Low operating force for easy actuation. Rear panel bushing mount with compact behind-panel dimension. Internal anti-jamming feature protects the contacts from damage caused by excessive force on the plunger. Low-cost device of rugged one-piece bushing and housing construction. Reliability of construction with an internal guide to maintain contact alignment. Epoxy sealed terminals.