IFM AC1256

This power supply unit, designated as PSU-1AC/ASi-2,8A, is engineered to support AS-Interface applications, delivering a stable output voltage of 30.5 V. It features a compact design suitable for DIN rail mounting, measuring 130.5 x 40 x 124.5 mm, which allows for efficient use of space.

The device operates within an input voltage range of 100...120 V AC or 200...240 V AC, with a nominal voltage of 110/230 V. It supports a maximum output power of 85 W and outputs an AS-i current of 2.8 A. Enhanced with high noise immunity, this power supply effectively decouples interferences from the primary supply, ensuring reliable performance.

Designed for efficiency, it achieves up to 88% efficiency at 230 V AC and 86.9% at 120 V AC, which minimizes heat generation within control cabinets. The unit is constructed with a robust steel sheet housing and is rated for operation in ambient temperatures ranging from -25 to 70 °C, making it suitable for various environments.

Safety features include overload and short-circuit protection, ensuring stable operation under varying load conditions. Additionally, an integrated data decoupling mechanism enhances performance reliability. The power supply complies with multiple EMC standards, including EN 61000-6-1, ensuring it meets industry requirements for electromagnetic compatibility.