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Siemens BQ2B10000S01 Molded Case Circuit Breaker

  • 100A
  • 2 Pole
  • Bolt-On
Siemens BQ2B10000S01
Molded Case Circuit Breaker
Brand Siemens
SKU BQ2B10000S01
Select Item Condition
Earn 348 SuperPoints
  • 100A
  • 2 Pole
  • Bolt-On

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Siemens BQ2B10000S01 - 100A 2 Pole Molded Case Circuit Breaker

Siemens BQ2B10000S01 - 100A 2 Pole Molded Case Circuit Breaker

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$348.00 In Stock

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Description

Designed for advanced control, the Siemens BQ2B10000S01 integrates a 120VAC shunt trip for remote disconnect applications. This 2-pole, 100A molded case circuit breaker delivers reliable thermal-magnetic protection with a 10kAIC rating at 120/240VAC. The bolt-on design provides a stable connection within Siemens P1, S1, S2, and SE panelboards. It features standard lug terminals for secure wiring. With its HACR rating and factory-installed shunt trip, it is ideal for emergency stop systems.

Specifications

Key specifications
Brand Siemens
Part Number BQ2B10000S01
Series BQ
Amperage 100A
Poles 2
Mounting Style Bolt-On
Voltage 120/240VAC
Phase 1
AIC Rating 10kA @ 120/240VAC
Fit and installation
Frame Type BQ
Terminal Type Lugs
For Use With Siemens P1, S1, S2, SE 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)
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed
Standards and features
Available Options Auxiliary Switch, Alarm Switch, Padlock Attachment
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 answers
What does the S01 suffix mean in the BQ2B10000S01 catalog number?

The S01 suffix indicates that this circuit breaker is factory-equipped with a 120VAC shunt trip.

Which panelboards are compatible with the Siemens BQ2B10000S01 circuit breaker?

This bolt-on breaker is designed for use in Siemens P1, S1, S2, and SE series panelboards.

What wire sizes and materials are accepted by the lugs on the BQ2B10000S01?

The load side lugs accept 8 to 1 AWG copper (Cu) wire or 6 to 1/0 AWG aluminum (Al) wire.

Is the Siemens BQ2B10000S01 HACR rated?

Yes, this circuit breaker is HACR rated for use with heating, air conditioning, and refrigeration equipment.

Does the BQ2B10000S01 mount via plug-on or bolt-on connection?

This is a bolt-on circuit breaker, meaning it requires a bolted connection to the panelboard busbar rather than a plug-on installation.

What type of trip unit is used in the BQ2B10000S01?

It features a fixed thermal-magnetic trip unit that provides both long-time overload and instantaneous short-circuit protection.

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Reviews

4.9
Rated 4.9 out of 5 stars
Based on 73 reviews
Reviews Summary
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.
Rating
Ratings
73 reviews
  • HS
    Hector S.
    Verified Buyer
    Reviewing
    Siemens BQ3B100H - 100A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/27/26
    Perfect replacement

    Fit perfectly and good price

  • AF
    Anthony F.
    Verified Buyer
    Reviewing
    Siemens BQ2B020 - 20A 2 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/25/26
    works as expected

    works as expected

  • MS
    Mike S.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer BQ250250 - 50/50A Quadplex Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/12/26
    Electrical company

    Breaker worked awesome thank you very much

  • PE
    Philip E.
    Verified Buyer
    Reviewing
    Siemens BQ3B020 - 20A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/10/26
    Siemens BQ3B020

    The breaker arrived as described and on time. It works as expected. I will order from SuperBreakers again in the future without hesitation.

  • PL
    Paul L.
    Verified Buyer
    Reviewing
    Siemens BQ1B020 - 20A 1 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/23/26
    Breaker

    Quick shipping. Exact fit.