A.Founded in1980 B.CE,ROHS,SGS,UL,KEMA,VDE,TSE,CB C.ISO9001,14001 D.manufacturer E. 430 employees,15000 square meter factory XB4-BA21(DB4-BA21) METAL PUSH BUTTON SWITCHName: push button switch, push buttonPushbuttons with flush push,Spring return pushbuttons, unmarkedControl and signalling units Ø 22,XB4, metal Shapeof head Typeof push Type of contact Marking Text(colour) Colourof push Reference ...