The BEL FUSE part 5ST400-R is a highly reliable and durable power transformer designed for a wide range of applications. This transformer is capable of handling input voltages up to 600V and provides a convenient and efficient solution for power conversion. Its compact and lightweight design makes it easy to install and integrate into various systems and equipment. With its high-quality construction and advanced technology, the 5ST400-R ensures excellent performance and long-lasting operation. Whether used in industrial machinery, medical equipment, or telecommunications systems, this transformer is sure to deliver reliable power conversion and meet the needs of your application.