MAIN CHARACTERISTICS range of product HARMONY XB4 product or component type HD F NON-ILLUM PUSHBUTTON device short name ZB4 bezel material BLACK METAL mounting diameter 22 MM sale per indivisible quantity 1 shape of signaling unit head ROUND type of operator SPRING RETURN operator profile 6 COLORS CHOICE FLUSH UNMARKED operator additional information WITH SET OF 6 COLOR CAP COMPLEMETARY CHARACTERISTICS CAD overall width 29 MM CAD overall height 29 MM CAD overall depth 28 MM mechanical durability 5000000 CYCLES electrical composition code C1 FOR