This product is part of the Modicon M171/M172 range, an offer of programmable controllers for HVAC solutions. This programmable controller offers 2 discrete inputs with sink or source (positive/negative) up to 2kHz discrete logic. It is a module with discrete input voltage of 24V AC/DC, 5mA. It features 3 LEDs for programmable and 1 LED for power signaling. It is an IP20 rated product. Its dimensions are 72mm (width) x 60.5mm (depth) x 110mm (height). It weighs 0.175kg. The main application of this module is HVAC control. This product is certified by CE, RCM, EAC, CSA and CURus. It meets IEC 61000-4-2, EN 60068-2-6 Fc, IEC 61000-4-3, IEC 61000-4-5, EN 60730-1 and EN 60730-2-9 standards. It is suitable for DIN rail mount and panel mounting with accessory. 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.