Siemens QR23B125 – 125A 3 Pole Molded Case Circuit Breaker Must Have

Designed for versatile power distribution, the Siemens QR23B125 provides reliable thermal-magnetic protection. This 3-pole, 125A breaker operates at 240VAC with a standard 10kA interrupting capacity. Equipped with a bolt-on mounting style, it integrates perfectly into Siemens P1, P2, and P3 panelboards, as well as compatible meter centers. It also functions as an exact substitute for the legacy QJ23B125. This HACR-rated breaker features reverse feed capability and a push-to-trip button.