PSU100D 24 V /3.1 A Stabilized power supply input: 100-240 V AC output: 24 V DC/3.1 A The PSU100D single-phase power supplies are favorably priced power supplies designed to meet basic requirements. They are ideally suited for installation locations with restricted space or for mounting in control cabinets and enclosures without a mounting rail. Typical applications are devices, automatic machines and automation solutions. The rugged and flat aluminum enclosure in IP20 degree of protection can be screw-mounted directly on the wall in different mounting positions and is also optimized for applications with high temperatures and strict shock and vibration requirements. The wide-range input enables connection to many different power networks around the world and ensures a reliable 24 V supply even when voltage fluctuations are large. Regardless of the industry or requirements, Siemens offers reliable and efficient power supplies for every plant.