This STACO TYPE 251 Variable Auto-Transformer is perfect for any electrical equipment and supplies need. With a panel mount and copper color, it is easy to install and fits seamlessly into any workspace. The autotransformer has a primary voltage rating of 120V and a primary current rating of 2.5A, making it a reliable option for any project. The transformer  has 3 connections  (no Connection 4) is made in the United States The conversion function is also labeled for convenience. This autotransformer is ideal for those looking for a cost-effective solution without compromising on quality. I HAVE MORE OF THESE IF YOU NEED I CAN LIST.   I Sell &  Ship ONLY to North America  I ship once a Week on Tuesdays