Product Description: The Siemens LD63S600A is a Molded Case Circuit Breaker from the Sentron Series. It features a 3-pole design with a 600V, 600A rating and a 35kA@480V AIC rating. This breaker uses a Bolt-On connection and offers Non-Automatic protection. The LD63S600A is part of Siemens' LD type circuit breakers.