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 LATCHING reset PUSH-PULL operator profile YELLOW MUSHROOM 40 MM UNMARKED COMPLEMETARY CHARACTERISTICS mechanical durability 300000 CYCLES electrical composition code C11 FOR