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Siemens BQ2B09000S01 Molded Case Circuit Breaker
- 90A
- 2 Pole
- Bolt-On
Siemens
BQ2B09000S01
Molded Case Circuit Breaker
Brand
Siemens
SKU
BQ2B09000S01
Quantity
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Siemens BQ2B09000S01 - 90A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial power distribution, this 90-amp Siemens BQ frame breaker features a factory-installed 120VAC shunt trip mechanism for remote tripping capabilities. It bolts securely into Siemens P1, P2, and P3 panelboards to provide reliable thermal-magnetic protection. Rated for 10kAIC at 120/240VAC, the unit includes load side lugs and accommodates 8-1 AWG copper or 6-1/0 AWG aluminum wiring for versatile facility applications.Specifications
| Brand | Siemens |
|---|---|
| Series | BQ |
| Amperage | 90A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | BQ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards |
| Wire Gauge | 8-1 AWG (Cu), 6-1/0 AWG (Al) |
| Max Wire | 1 AWG (Cu), 1/0 AWG (Al) |
| Min Wire | 8 AWG (Cu), 6 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Padlock Attachment, Handle Tie |
|---|---|
| Accessories | Load Side Lugs, Shunt Trip (120VAC) |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
Product FAQs
6 answersWhat does the 00S01 suffix mean on the BQ2B09000S01 catalog number?
The 00S01 suffix indicates that this breaker is equipped with a factory-installed 120VAC shunt trip, which allows the breaker to be tripped remotely via a control signal.
Is the BQ2B09000S01 compatible with standard residential load centers?
No, this is a bolt-on molded case circuit breaker designed specifically for commercial and industrial Siemens P1, P2, and P3 panelboards. It will not fit in standard plug-on load centers.
Does the BQ2B09000S01 come with load lugs installed?
Yes, this breaker includes factory-installed load-side lugs featuring Insta-wire technology. They accommodate 8 to 1 AWG copper conductors or 6 to 1/0 AWG aluminum conductors.
Can the BQ2B09000S01 replace a standard BQ2B090?
Yes. It provides the exact same 90A overcurrent protection and bolt-on mounting as the standard BQ2B090, with the addition of a 120VAC shunt trip mechanism for remote tripping applications.
Is this breaker HACR rated for HVAC applications?
Yes, this Siemens BQ frame breaker is HACR rated, making it approved for use with heating, air conditioning, and refrigeration equipment circuits.
What type of trip mechanism does the BQ2B09000S01 utilize?
It uses a fixed thermal-magnetic trip unit that provides both long-time overload protection and instantaneous short-circuit protection, alongside the 120VAC remote shunt trip capability.
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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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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 73 reviews.
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.
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Rating
73 reviews
- HSHector S.Verified BuyerReviewingSiemens BQ3B100H - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/27/26Perfect replacement
Fit perfectly and good price
- AFAnthony F.Verified BuyerReviewingSiemens BQ2B020 - 20A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/25/26works as expected
works as expected
- MSMike S.Verified BuyerReviewingEaton / Cutler-Hammer BQ250250 - 50/50A Quadplex Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/12/26Electrical company
Breaker worked awesome thank you very much
- PEPhilip E.Verified BuyerReviewingSiemens BQ3B020 - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/10/26Siemens BQ3B020
The breaker arrived as described and on time. It works as expected. I will order from SuperBreakers again in the future without hesitation.
- PLPaul L.Verified BuyerReviewingSiemens BQ1B020 - 20A 1 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/23/26Breaker
Quick shipping. Exact fit.