The ABB PS-50-120/24 System proS Control Transformer Kit is designed for reliable control power applications. This kit offers a 50 VA power rating with a primary voltage of 120V AC and a secondary voltage of 24V AC, making it suitable for various control circuits. It is compatible for use with PSNAF09, PSNAF16, PSNAF30, PSNAF52, and PSNAF80 enclosed starters. Benefit from ABB's quality and performance for your automation and control needs..This is a control transformer kit with a 50 VA power rating. It features a primary voltage of 120V AC and a secondary voltage of 24V AC. The kit is designed for use with specific ABB enclosed starters.