BQ2B0125– SIEMENS 2P125A 240V BOLT ON 10kA BREAKER
The BQ2B0125 is a Siemens 2-pole, 125 Amp, 240V bolt-on circuit breaker designed for high-performance protection. With a short-circuit interrupting rating of 10kA, this breaker ensures reliable operation and safety for your electrical systems. Ideal for residential and commercial applications, it seamlessly integrates into existing setups.
No, they cannot be used interchangeably. The BQ series uses a bolt-on mounting method, where the breaker is secured with a screw to the bus bar, while the QP series uses a clip-in plug-on connection. Your panelboard must specifically support bolt-on breakers to accept the BQ2B0125. Check your panel's label or send us your panel model and we can help confirm the correct type.
Yes, a 2-pole 125A breaker like the BQ2B0125 is a common choice for feeding a sub-panel or secondary loadcentre rated up to 125A at 240V. Ensure the sub-panel's bus rating and the feeder wire gauge (typically 2/0 AWG copper or 4/0 AWG aluminum for 125A) are appropriately matched. Always verify with a licensed electrician to meet local Canadian Electrical Code (CEC) requirements.
Availability of specific Siemens BQ series breakers can vary. Northern Breaker Group specializes in sourcing obsolete and hard-to-find breakers across Canada. Whether the BQ2B0125 is a current or legacy part, we can locate stock from our inventory or supplier network. Contact our Calgary, Edmonton, or Vancouver counter for a quote and availability confirmation.
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