Cheap Siemens MD63B600 – 600A 3 Pole Molded Case Circuit Breaker

Built for commercial and industrial applications, the MD63B600 is a 600A molded case circuit breaker from the Siemens Sentron series. It utilizes an interchangeable thermal-magnetic trip unit to provide reliable long-time and instantaneous (LI) protection. The breaker is compatible with Siemens S4, S5, P4, and P5 panelboards, along with SB1, SB2, and SB3 switchboards. Rated for 600VAC with a 50kAIC capacity at 480V, it comes equipped with TA3K500 lugs to accommodate 1/0 AWG to 500 kcmil wire.