MAIN CHARACTERISTICS range of product HARMONY XB4 product or component type HD F NON-ILLUM PUSHBUTTON device short name ZB4 product compatibility LEGEND HOLDER bezel material CHROMIUM PLATED METAL mounting diameter 22 MM sale per indivisible quantity 1 shape of signaling unit head ROUND type of operator SPRING RETURN operator profile YELLOW FLUSH UNMARKED operator additional information COLOURED BOOT COMPLEMETARY CHARACTERISTICS CAD overall width 30 MM CAD overall height 30 MM CAD overall depth 33 MM mechanical durability 10000000 CYCLES electrical composition code C1 FOR