Difference Between Isolation Transformer and Step Down Transformer Transformers have a big effect on electrical devices and how power is distributed in the world. They are responsible for converting alternating current (AC) to direct current (DC). Transformers can be used as converters to step down voltage or provide isolation. Indian manufacturers are primarily involved in manufacturing isolation transformers and step-down transformers . Today, we're delving into the captivating world of transformers and uncovering the dissimilarities and benefits of isolation transformers and step-down transformers. You might think they're pretty similar, but hold on tight as we navigate through the details and shed light on their unique perks. Let's jump right in!