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    • BQ3B015– SIEMENS 3P15A 240V BOLT ON 10kA BREAKER

    Standard · 15A · 3-Pole · 240V · Bolt-On

    The BQ3B015 Siemens 3P15A 240V Bolt-On Breaker is a reliable circuit protection solution designed for high-performance applications. With a 10kA interrupting capacity, this breaker ensures safety and efficiency in power distribution. Ideal for residential or commercial use, it easily connects to your system, providing peace of mind with every use.

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    SKU SIEBQ3B015 Categories , ,
    Specifications
    BrandSiemens
    TypeStandard (Thermal-Magnetic)
    Amperage15 A
    Poles3-Pole
    Voltage240V
    Interrupting Rating10 kA
    MountingBolt-On
    Frame / SeriesBQ3B
    Catalogue #SIEBQ3B015
    Panel Compatibility

    The Siemens BQ3B015 is a bolt-on style breaker from Siemens' BQ series, designed for use in compatible Siemens/ITE panelboards that accept bolt-on breakers — typically commercial or light-industrial panelboards rather than standard residential loadcentres. Its 3-pole, 240V, 10kA rating makes it well suited for three-phase or multi-wire branch circuit protection in those applications.

    • Bolt-on mount — not a plug-in type; confirms a panelboard (not a typical residential loadcentre) is required
    • Compatible with Siemens/ITE panelboards designed to accept BQ-series bolt-on breakers
    • Not interchangeable with plug-in QP/QT series or breakers from other manufacturers

    Send us your panel model number and we'll confirm fitment before you order.

    The BQ3B015 features a bolt-on connection, meaning it mechanically fastens to the bus bar with a bolt rather than snapping in. This provides a more secure connection for commercial/light-industrial panelboards designed for bolt-on breakers. It is not interchangeable with plug-in variants, so it's important to confirm your panel accepts bolt-on breakers before purchasing.

    Generally, no. The BQ3B bolt-on series is intended for Siemens/ITE panelboards designed to accept bolt-on breakers, which are more common in commercial or light-industrial settings. Standard Siemens residential loadcentres (EQ, ES, PL, PN series) typically use plug-in breakers. If you're unsure, share your panel model with us and we'll point you in the right direction.

    Yes — sourcing obsolete and hard-to-find Siemens breakers like the BQ3B015 is one of our specialties. Whether you need a single unit or a larger quantity, contact our Calgary, Edmonton, or Vancouver locations or submit a quote request and our team will track it down for you.

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    Contact Northern Breaker Group

    Experience the advantage of working with Canada's fastest growing electrical supply network—where local expertise meets national capabilities.
    Whether you’re a contractor needing same-day pickup in Calgary, an facility manager sourcing obsolete parts in Edmonton, or a Vancouver electrician requiring marine-rated components, Northern Breaker Group is your trusted electrical supply partner.

    For General Inquiries:

    Visit any of our three locations or use our online quote system to connect with the Northern Breaker Group network.

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    Calgary: 403-520-0014

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    Reach out to us today to discuss your needs.

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