Siemens / ITE HNB3F800 – 800A 3 Pole Molded Case Circuit Breaker Hot Picks

Built for demanding industrial environments, the 800A HNB frame breaker delivers dependable thermal-magnetic protection. It is equipped with an interchangeable trip unit, allowing for flexible configuration as facility power needs evolve. Designed as an exact replacement component, this bolt-on MCCB fits perfectly into legacy Siemens and ITE switchboards. It restores original system functionality without requiring modern adapters, though it is officially replaced by the HND63B800.