This product is part of the Modicon M171/M172 range, an offer of connection accessories for HVAC solutions. This screw terminal block offers 28 I/Os with base controller. It is furnished with 2 removable terminal block screw connectors for electrical connection. It is compatible with logic controller M172 performance. Modicon M171/M172 benefits maximize profitability and energy efficiency by using scalable automation control with the Modicon M171/M172. Modicon M171/M172 logic controllers and intuitive software EcoStruxure Machine Expert - HVAC are designed for maximizing profitability and energy efficiency. Specifications Main Range of Product Modicon M171/M172 Accessory / separate part category Connection accessory accessory / separate part type Screw terminal block Complementary Product or Component Type Terminal block input/output number 28 Product compatibility Logic controller M172 performance Color Green Accessory / separate part destination Base controller Electrical connection Removable terminal block screw connector Width 1.97 in (50 mm) Depth 3.15 in (80 mm) Height 0.59 in (15 mm) Net Weight 0.11 lb(US) (0.049 kg)