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The SIEQJ22B150 is a high-quality Siemens 2-Pole 150 Amp circuit breaker, designed for use in 250V applications. Ideal for both residential and commercial use, it ensures reliable, safe electric distribution. With its durable design, this breaker provides superior protection for your electrical systems, making it an essential component for any installation.
The Siemens QJ frame is a molded-case breaker series designed for commercial and light industrial panelboards, supporting higher ampacities (up to 225A) and bolt-on busbar connections. It is distinct from the residential QP plug-in series and is not interchangeable with QP breakers or standard residential loadcentres.
The QJ-frame 150A 2-Pole breaker can serve as either a main disconnect or a branch/feeder breaker depending on the panelboard it is installed in and how it is configured. Your specific application and panel design will determine its role — contact our team and we can help clarify based on your setup.
Siemens QJ-frame breakers can be difficult to source through standard channels. Northern Breaker Group specializes in obsolete and hard-to-find breakers, and we maintain extensive inventory across our Calgary, Edmonton, and Vancouver locations. Contact us for a quote and availability check.
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