Available. The Ifm PSU-3AC/ASi-8A, also known as AC1253, is a robust AS-Interface power supply designed to provide reliable power for modules, sensors, and actuators in industrial automation systems. Operating with a nominal voltage of 3 x 400 V AC and a frequency of 50/60 Hz, it ensures efficient performance with an efficiency of 92% at 400 V AC and 92.1% at 480 V AC. The power supply delivers a continuous output power of 244 W and a peak output power of 256 W, capable of handling current peaks effectively. It features an integrated data decoupling function, enhancing system stability by safely isolating interference from the primary power supply. The PSU-3AC/ASi-8A is housed in a compact steel sheet enclosure measuring 130.5 x 62 x 124.3 mm, making it suitable for installations with limited space. Designed for durability, it operates within an ambient temperature range of -25°C to 70°C and has a storage temperature range of -40°C to 85°C. The power supply is equipped with protection features including short-circuit proof, overload protection, and backfeeding protection up to 35 V. It also complies with EMC standards EN 61000-6-1, EN 61000-6-2, EN 61000-6-3, and EN 61000-6-4, ensuring minimal electromagnetic interference. This power supply is ideal for applications requiring a reliable and efficient power source for AS-Interface systems in industrial environments.