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The SIEMENS BQ2B030HH is a high-performance 2-pole 30 Amp circuit breaker designed for 240V applications. With a maximum interrupting capacity of 65kA, it ensures reliable protection against overloads and short circuits. Ideal for both residential and commercial use, this bolt-on breaker provides exceptional durability and efficiency for your electrical system.
The 'HH' suffix on the BQ2B030HH denotes a higher interrupting (fault current) rating of 65kA, compared to the lower kA rating of a standard BQ2B030. This makes the BQ2B030HH the preferred choice for installations where the available fault current at the panel exceeds standard breaker ratings — common in commercial settings or panels fed by larger transformers.
The BQ2B030HH is a bolt-on breaker, meaning it fastens mechanically to the bus bar with a screw rather than clipping on. This distinction is critical — bolt-on breakers must be installed in panels designed for bolt-on mounting. Installing a bolt-on breaker in a plug-in-only panel (or vice versa) is not permitted. Always verify your loadcentre or panelboard accepts bolt-on BQ-series breakers before ordering.
Availability of specific high-interrupting-rated breakers like the BQ2B030HH can vary. Northern Breaker Group specializes in both current-production and hard-to-find or obsolete Siemens breakers. Contact our Calgary, Edmonton, or Vancouver counters or request a quote online — our team will confirm current stock or sourcing options for you.
