Save Now Siemens LXD63B400 – 400A 3 Pole Molded Case Circuit Breaker

Built for demanding environments, the Siemens LXD63B400 is a 400A, three-pole molded case circuit breaker. It delivers reliable protection with adjustable magnetic trip settings. This unit-mount breaker integrates into Siemens Sentron panelboards and switchboards. Lugs are not included and must be sourced separately. Delivering 35 kAIC at 480VAC, this LD frame device is HACR rated and supports reverse-feed applications. The non-interchangeable trip ensures consistent performance.