In Demand Siemens KM3B300 – 300A 3 Pole Molded Case Circuit Breaker

A reliable solution for power distribution, the Siemens KM3B300 is a 300A, 3-pole molded case circuit breaker. It offers fixed thermal and adjustable magnetic trip functions to safeguard commercial and industrial electrical infrastructure. This unit installs into Siemens P4, P5, S4, and S5 panelboards and SB series switchboards. When transitioning to newer equipment, the HJD63B300 serves as its replacement. Operating at up to 600VAC, it provides a 50kA interrupting capacity at 480V.