The ABB 9T21B9104 25Kva Single Phase Transformer is designed for durability and reliability, featuring a NEMA 3R nonventilated weatherproof enclosure that ensures protection against harsh environmental conditions. This transformer is equipped with encapsulated copper core and coils, providing efficient performance and longevity. The integrated junction box includes a ground lug, facilitating easy and secure wiring. With improved termination spacing and ample wiring compartment room, this transformer offers flexibility in selecting various UL listed connectors for both copper and aluminum cables. Built-in wall mount tabs make installation straightforward, while compliance with RoHS, UL, and cUL standards guarantees safety and quality. Additionally, the transformer meets the seismic requirements of IEEE-693-2005, IBC-2021, and CBC 2022, ensuring robust performance even in seismic zones.