Latest Siemens JXD63B250 – 250A 3 Pole Molded Case Circuit Breaker

Serving as a critical component in commercial power distribution, this 250A thermal-magnetic breaker fits standard Siemens enclosures. The JXD63B250 offers an adjustable instantaneous trip function to help engineers meet specific coordination requirements. While this legacy Sentron model is eventually replaced by the 3VA series, it remains essential for maintaining existing infrastructure. It supports reverse feeding and requires separate lug kits for final installation.