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 KEY RELEASE operator profile BLACK MUSHROOM 40 MM UNMARKED type of keylock RONIS 455 key withdrawal position CENTRE COMPLEMETARY CHARACTERISTICS CAD overall width 40 MM CAD overall height 40 MM CAD overall depth 79 MM product weight 0.07 KG mechanical durability 300000 CYCLES electrical composition code C11 FOR