The Broan Smarthome 4J76 T591 LR91329 Current Transformer E122086 is a Class 2 transformer with a power rating of 10 VA. It has a primary voltage rating of 120 V and a secondary voltage rating of 10 V, with a maximum operating frequency of 60 Hz. The turns ratio for this transformer is 1:20, making it suitable for a variety of electrical applications in business and industrial settings. Its compact design and reliable performance make it a valuable component for various power distribution and control systems.