Hassle-Free Returns Siemens JXD63B300L – 300A 3 Pole Molded Case Circuit Breaker

Built for industrial power systems, the Siemens JXD63B300L is a 3-pole, 300A molded case circuit breaker. It utilizes a JD frame and provides thermal-magnetic protection with adjustable magnetic trip. This unit mount breaker fits Siemens Sentron P4, P5, S4, and S5 panelboards and switchboards. It can be replaced by the 3VA series. Rated 35kAIC at 480V, this breaker is reverse feed capable and includes line and load lugs for 3/0 AWG to 500 kcmil wire.