Delivering elevated 22kAIC interrupting capacity, the Siemens BQ2B035H provides robust thermal-magnetic protection for demanding commercial and industrial applications. This two-pole 35A unit features a fixed trip mechanism designed to handle overloads and short circuits efficiently. It mounts securely into Siemens P1, P2, and P3 panelboards using a standard bolt-on configuration. The HACR-rated design also serves as a functional substitute for QBHW2035 and QOB235VH configurations.
What panelboards are compatible with the Siemens BQ2B035H?
This bolt-on breaker is designed specifically for Siemens P1, P2, and P3 commercial panelboards. It will not fit in standard plug-on residential load centers.
What does the H in the BQ2B035H catalog number indicate?
The H designates this model as a high-interrupting circuit breaker. It provides a 22kAIC rating at 240VAC, offering greater fault current protection than the standard 10kAIC BQ2B035.
What is the difference between Siemens BQ and BQD breakers?
While both are 1-inch wide molded case circuit breakers, they serve different applications. The BQ series is designed for 120/240V bolt-on installations in Siemens P-series panels. The BQD series is rated for up to 480Y/277V and can be DIN rail mounted or bolted directly to a surface for OEM equipment.
Is the BQ2B035H suitable for HVAC equipment?
Yes, Siemens BQ frame breakers are HACR rated. This makes the BQ2B035H fully compliant for protecting heating, air conditioning, and refrigeration circuits.
Can the BQ2B035H be reverse fed?
Yes. Because this breaker utilizes a fixed, non-interchangeable thermal-magnetic trip unit, it is suitable for reverse feed applications. Always verify your specific panelboard labeling and local codes before backfeeding.
Are load side lugs included with this breaker?
Yes, the BQ2B035H comes equipped with factory-installed load side lugs. They are ready to accept both copper and aluminum conductors within the specified gauge range.
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