2 position selector pushbutton switch 1.manufacture factory 2.Fix diameter:22mm 3.Max 380V AC ... pedestal,Example:SB2-BZ10_ , _ enter figure: 1-one NO, 2-one NC, 3- two NO, 4-two NC, 5 ... Example:SB2-BE10_, _ enter figure:1-NO, 2-NC2. ApplicationUsed to either close or open an electrical ... ,self-lock,self reset,convex,waterproof... 2 position stay put selector pushbutton switch, Schneider type pushbutton