This contact block is a separate component of the range of control and signaling units, Harmony 9001K and 9001SK diameter 30mm. It is compatible with Harmony 9001K or Harmony 9001SK pushbuttons and switches. It uses screw-clamp terminals and has 1 C/O contact. This contact block allows fast and easy replacement and configuration of your pushbuttons and selector switches. It features gold flashed contacts. It weighs 23g. The 30mm Harmony range offers a large choice of robust and reliable products to meet a great number of applications in heavy industries. It is UL listed and CSA certified, CE declaration of conformity and RoHS compliant. Harmony 9001K and 9001SK are ranges of heavy-duty pushbuttons, selector switches, pilot lights, and specialty operators.