The ABB 9T21B9105 15Kva Single Phase Transformer is designed for efficiency and durability, featuring a robust encapsulated copper core and coils housed within a NEMA 3R nonventilated weatherproof enclosure. This transformer is ideal for outdoor applications, providing reliable performance in various weather conditions. It includes knockouts on the back and bottom for versatile installation options and mounting holes on the side for easy access. The wiring compartment is equipped with a ground stud, offering improved termination spacing and ample room for wiring, allowing for the use of various UL listed connectors with either copper or aluminum cables. The integrated junction box enhances the ease of wiring, while built-in wall mount tabs facilitate straightforward installation. This transformer is RoHS compliant and meets UL and cUL standards, ensuring safety and quality. Additionally, it is qualified to meet the seismic requirements of IEEE-693-2005, IBC-2021, and CBC 2022, making it a reliable choice for areas prone to seismic activity.