Product Description: The Siemens SHMD6B600LSIG is a Molded Case Circuit Breaker from the Sentron Series. It features a 3-pole design with a 600V, 600A rating and a 65kA@480V AIC rating. This breaker includes solid-state protection with LSIG functions (Long-Time, Short-Time, Instantaneous, and Ground Fault). It uses a Feed-Thru connection for easy installation.