Holiday Sale Siemens HLD63B400 – 400A 3 Pole Molded Case Circuit Breaker

Designed for maximum flexibility in industrial power distribution, this 400A LD-Frame breaker features an interchangeable thermal-magnetic trip unit. It installs into Siemens Sentron P4 and P5 panelboards, as well as SB1, SB2, and SB3 switchboards. With a high interrupting capacity of 65kA at 480VAC and included line and load lugs, it provides reliable protection for critical infrastructure. The unit accommodates copper or aluminum wiring up to 500 kcmil for versatile integration.