Siemens CND63B120H – 1200A 3 Pole Molded Case Circuit Breaker Popular

Rated for 100% continuous current, the CND63B120H is a 1200A MCCB built for demanding industrial environments. It features a thermal-magnetic trip unit with LI functions, delivering reliable fuseless protection. This ND Frame breaker mounts into Siemens S4, S5, P4, and P5 panelboards, as well as SB1-SB3 switchboards. It requires separate lug kits for up to four 250-500 kcmil conductors per phase. Capable of interrupting 100 kAIC at 480V, this current-limiting MCCB is HACR rated.