Part of the proven BQ family, this 35-amp single-pole molded case circuit breaker provides standard 10kAIC interrupting capacity for commercial facilities. The unit fastens firmly into Siemens P1, P2, and P3 panelboards via reliable lug terminals. It serves as a functional equivalent to BAB1035 or THQB1135 models for cross-reference purposes. Featuring a standard HACR rating, the device safely manages electrical loads for heavy-duty heating, cooling, and refrigeration equipment.
Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment, Handle Tie
Accessories
Load Side Lugs
Standards
CSA C22.2 No. 5, NEMA AB 1, UL 489
Approval
CSA, HACR, UL
Temp Rating
40C
Product FAQs
5 answers
Which panelboards accept the Siemens BQ1B035 circuit breaker?
The BQ1B035 is a bolt-on breaker engineered for Siemens P1, P2, and P3 commercial panelboards. It is not compatible with standard residential plug-on load centers.
Can the Siemens BQ1B035 replace older ITE circuit breakers?
Yes. Siemens acquired the ITE product line, and the BQ1B035 serves as a direct replacement for legacy ITE BQ frame breakers with matching specifications.
Is the BQ1B035 breaker HACR rated?
Yes, this breaker is HACR rated, making it suitable for branch circuit protection of heating, air conditioning, and refrigeration equipment.
How does the thermal-magnetic trip unit function on this breaker?
It features a fixed thermal-magnetic trip mechanism. The thermal element provides long-time delay protection against sustained overloads, while the magnetic element delivers instantaneous tripping during short circuits.
What is the installation method for the BQ1B035?
This is a bolt-on circuit breaker. It secures directly to the panelboard bus bar using screws, providing a robust connection suitable for commercial environments.
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Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
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International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 74 reviews.
4.9
Rated 4.9 out of 5 stars
Based on 74 reviews
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Reviews Summary
Generated by AI from 67 most recent customer reviews
Last updated 6/3/26
Customers say these breakers arrive quickly and fit perfectly for their electrical needs. Fast shipping and competitive pricing are frequently mentioned, with many users appreciating the availability of hard-to-find and older-style breakers. The products are well-packaged and arrive in good condition. Most customers report successful installations and reliable performance. A few note missing items from orders or concerns about product condition, though the majority express satisfaction with their purchases and indicate they would order again.