This contact block is a separate part of the Harmony XAC range of pendant control stations. It consists of a 3-pole double block with 2 mechanically interlocked spring return actuators (actuator distance 40 mm). It has 3 NO functions and a screw terminal connection. The wide operating temperature range of -25°C to 70°C allows for versatile use of the product. It is easy to install and replace on XACB pendant control stations (front mounting). It weighs 200 g. It is designed for circuits of simple speed applications.