The ABB 9T21B1004G02 5Kva Single Phase Transformer is designed for reliable performance in various environments, thanks to its NEMA 3R nonventilated weatherproof enclosure. This transformer features an encapsulated copper core and coils, ensuring durability and efficiency. It offers versatile voltage options with 240X480-120/240V configurations, making it suitable for a range of applications. The unit is equipped with knockouts on the back and bottom for convenient installation, and mounting holes on the side provide easy access. The wiring compartment includes a ground stud and offers improved termination spacing, allowing for the use of various UL listed connectors with either copper or aluminum cables. Additionally, the transformer is RoHS compliant and meets the seismic requirements of IEEE-693-2005, IBC-2021, and CBC 2022, ensuring safety and compliance in demanding conditions. UL and cUL Listed, this transformer is a reliable choice for your power needs.