Siemens BQ3B100H - 100A 3 Pole Molded Case Circuit Breaker

Brand Siemens
SKU BQ3B100H
4.9
Rated 4.9 out of 5 stars
67 Reviews

Siemens BQ3B100H - 100A 3 Pole Molded Case Circuit Breaker

Brand Siemens
SKU BQ3B100H
4.9
Rated 4.9 out of 5 stars
67 Reviews
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Siemens BQ3B100H - 100A 3 Pole Molded Case Circuit Breaker

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$272.60 In stock

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Description
Part of the BQ series, this 100A three-pole molded case circuit breaker provides reliable thermal-magnetic protection for commercial and industrial electrical systems. Designed for secure bolt-on installation, it mounts into compatible Siemens panelboards to distribute power safely. Featuring a high interrupting capacity of 22kA at 240VAC, this HACR-rated unit is ideal for heating, ventilation, and air conditioning equipment circuits requiring robust fault clearing capabilities.

Specifications

Brand Siemens
Series BQ
Part Number BQ3B100H
Amperage 100A
Voltage 240VAC
Poles 3
Phase 3
AIC Rating 22kA @ 240VAC
Mounting Style Bolt-On
Terminal Type Lugs
For Use With Siemens Panelboards
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Wire Gauge 4-1/0 AWG (Cu), 2-1/0 AWG (Al)
Max Wire 1/0 AWG
Min Wire 4 AWG (Cu), 2 AWG (Al)
Available Options Padlock Attachment
Accessories Load Side Lugs
Standards CSA C22.2 No. 5, HACR Rated, UL 489
Approval CSA, HACR, UL
Temp Rating 40C

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If anything goes wrong with your item that is not a result of misuse or normal wear and tear, we’ll gladly replace it at no cost to you.

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Shipping

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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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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.

4.9
Rated 4.9 out of 5 stars
Based on 67 reviews
Total 5 star reviews: 63 Total 4 star reviews: 3 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 1
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
67 reviews
  • TL
    Terry L.
    Verified Buyer
    Reviewing
    Siemens BQ3B040H - 40A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    6/2/26
    Electrician

    I appreciate the fast service

  • JF
    James F.
    Verified Buyer
    Reviewing
    Siemens BQ2B030 - 30A 2 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/28/26
    Siemans

    Excellent service

  • DQ
    David Q.
    Verified Buyer
    Reviewing
    Siemens BQ1B020 - 20A 1 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/27/26
    Great Customer Service

    Breakers ship fast and always at a great price

  • MZ
    Michael Z.
    Verified Buyer
    Reviewing
    Siemens BQ3B020 - 20A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/20/26
    Breaker

    Works. Great and good follow up!

  • JS
    John S.
    Verified Buyer
    Reviewing
    Siemens BQ3B030 - 30A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/13/26
    easy to find a hard to find breaker

    I was struggling finding the correct breaker, no one in our community had one, I went on line and found it quickly here. it was shipped rite away and I was able to get out business up and going agiain!! THANK YOU