Siemens JJ63B250 – 250A 3 Pole Molded Case Circuit Breaker One Day Deal

Designed for heavy-duty distribution, the Siemens JJ63B250 is a 250A MCCB from the classic J-frame family. It utilizes a thermal-magnetic trip mechanism to provide essential LI protection. Equipped with bolt-on mounting, this three-pole unit installs into Siemens P4 and P5 panelboards. It includes lugs for aluminum or copper wiring. The JXD63B250 serves as its modern replacement. Capable of handling 65kAIC at 240V and 25kAIC at 480V, this breaker complies with UL 489 standards.