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Siemens BQ1B025 Molded Case Circuit Breaker

  • 25A
  • 1 Pole
  • Bolt-On
Siemens BQ1B025
Molded Case Circuit Breaker
Brand Siemens
SKU BQ1B025
Select Item Condition
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  • 25A
  • 1 Pole
  • Bolt-On

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Siemens BQ1B025 - 25A 1 Pole Molded Case Circuit Breaker

Siemens BQ1B025 - 25A 1 Pole Molded Case Circuit Breaker

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$22.91 In Stock

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Description

Serving as a reliable overcurrent safeguard, this 25-amp single-pole unit is engineered for commercial and industrial applications. It bolts seamlessly into standard Siemens distribution panels to maintain a rigid, vibration-resistant electrical connection. Carrying a 10kAIC rating at 120/240VAC, the device is fully HACR and HID rated to accommodate specialized lighting and HVAC equipment. The fixed thermal-magnetic trip mechanism ensures precise fault response.

Specifications

Key specifications
Brand Siemens
Part Number BQ1B025
Series BQ
Amperage 25A
Poles 1
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 Panelboards
Wire Gauge 14-6 AWG (Cu), 12-6 AWG (Al)
Max Wire 6 AWG
Min Wire 14 AWG (Cu), 12 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 Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment
Accessories Load Side Lugs
Standards CSA C22.2 No. 5, HACR Rated, HID, UL 489
Approval CSA, HACR, HID, UL
Temp Rating 40C

Product FAQs

4 answers
What type of panelboards accept the Siemens BQ1B025?

This bolt-on circuit breaker is designed for use in compatible Siemens electrical distribution panels and load centers that accept BQ-frame breakers.

Is there a plug-in equivalent to the BQ1B025?

Yes. The BQ series features a bolt-on connection. If your panel requires a plug-in connection, the Siemens QP series, such as the Q125, is the standard plug-in equivalent for 1-pole, 25-amp applications.

Is the Siemens BQ1B025 HACR rated?

Yes, this breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment that requires this specific overcurrent protection.

Can this breaker be used for High Intensity Discharge (HID) lighting?

Yes, the BQ1B025 is HID rated, allowing it to safely switch and protect circuits feeding high-intensity discharge lighting systems.

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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.