The ABB 9T51B0010 1Kva Single Phase Transformer is designed for reliable performance in various environments, featuring a NEMA 3R nonventilated weatherproof enclosure that ensures durability and protection against the elements. This transformer is equipped with encapsulated copper core and coils, providing efficient energy transfer and reduced noise levels. 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 UL listed connectors for both copper and aluminum cables. Built-in wall mount tabs allow for straightforward installation. The Type QB transformers are RoHS compliant and meet the rigorous standards of UL and cUL listings. Additionally, they are qualified to meet the seismic requirements of IEEE-693-2005, IBC-2021, and CBC 2022, ensuring robust performance even in challenging conditions.