MAIN CHARACTERISTICS range of product HARMONY XB4 product or component type COMPLETE TRIPLE-HEADED PB device short name XB4 bezel material CHROMIUM PLATED METAL fixing collar material ZAMAK mounting diameter 22 MM shape of signaling unit head RECTANGULAR type of operator SPRING RETURN operator profile 2 FSH-1 CENTRAL PJTG STOP PBS operators description GREEN I - GREEN II - RED STOP contacts type and composition 1 NO + 1 NC contact operation SLOW-BREAK connections - terminals screw clamp terminals :