Siemens QJH23B125 – 125A 3 Pole Molded Case Circuit Breaker Direct From Factory

Built for heavy-duty commercial applications, the Siemens QJH23B125 delivers 125A of thermal-magnetic protection. This 3-pole MCCB safeguards branch circuits against overcurrents in demanding environments. Designed for reliable integration, it bolts into Siemens P1, P2, and P3 panelboards, switchboards, and motor control centers. This legacy QJ-frame model is officially replaced by the QRH23B125. Featuring a 22kAIC rating at 240VAC, this breaker is HACR rated and supports reverse feeding.