Exclusive Offer Siemens JXD23B300 – 300A 3 Pole Molded Case Circuit Breaker

Delivering high-capacity protection, the JXD23B300 is a 300A molded case circuit breaker from the Siemens Sentron series. It safeguards commercial and industrial electrical systems against overloads. This JD frame breaker features a bolt-on mounting style, fitting into Siemens Sentron, P4, and P5 panelboards, as well as SB switchboards. It replaces the older JD63B300 model. Equipped with a thermal-magnetic trip unit, it provides a 65kAIC rating at 240VAC. Lugs are sold separately.