... :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 ... Carton size:36*29*24.5mm 5.Other modles for reference:flush head,mashroom head,spring return,turn ... light,self-lock,self reset,convex,waterproof... 2 position stay put selector pushbutton switch, Schneider type pushbutton