MAIN CHARACTERISTICS range of product HARMONY XB4 product or component type COMPLETE EMERGENCY STOP PB device short name XB4 bezel material CHROMIUM PLATED METAL fixing collar material ZAMAK mounting diameter 22 MM sale per indivisible quantity 1 shape of signaling unit head ROUND type of operator TRIGGER ACTION AND MECHANICAL LATCHING reset KEY RELEASE operator profile RED MUSHROOM 40 MM UNMARKED type of keylock RONIS 455 key withdrawal position CENTRE contacts type and composition 1 NC contact operation SLOW-BREAK connections - terminals screw clamp terminals :