This contact block is a separate component of the range of pendant control stations Harmony XAC. It consists in a double block 2-pole with 2 spring return operators mechanically interlocked (operator centres 40 mm). It features 2 NO functions and and screw clamp connection type. Its wide range of operating temperatures from -25°C to 70°C allows versatility in usage of product. It is easily installed and replaced on XACB pendant control stations (front mounting). It weighs 140g. It is designed for power circuits simple speed applications.