Product Description: The Siemens JXD62M300L is a Molded Case Circuit Breaker from the Sentron Series. It features 2 poles, a 600V rating, and a 300A capacity with a 35kA@480V AIC rating. This breaker uses a Feed-Thru connection and includes Thermal Magnetic protection. The frame size is JD Frame, and it weighs 18 lbs.