This connection accessory is part of the Modicon M171/M172/M173 range, a control offer for HVAC/Pumping applications. These are removable terminal blocks with screw connectors. They allow the electrical connection of I/O expansion modules. They are designed to connect digital and analog IOs, high-speed counters, Modbus SL and CAN buses, and the power supply. The terminal blocks are green plastic. This connection accessory weighs 0.050kg It is compatible with M171 performance logic controllers. It is sold in a 1-piece package. Each terminal is specifically designed for a particular function, such as the IOs, the power supply, or communication bus for instance. Modicon M171/M172/M173 controllers are designed for complete automation solutions for HVAC and Pumping machines. Modicon M171/M172/M173 range is for OEMs and helps to maximize profitability or energy efficiency in HVAC applications.