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Eaton / Cutler-Hammer QBHW2100H Miniature Circuit Breaker

  • 100A
  • 2 Pole
  • Bolt-On
Eaton / Cutler-Hammer QBHW2100H
Miniature Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU QBHW2100H
Select Item Condition
Earn 261 SuperPoints
  • 100A
  • 2 Pole
  • Bolt-On

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Eaton / Cutler-Hammer QBHW2100H - 100A 2 Pole Miniature Circuit Breaker

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$261.00 In Stock

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Description

Part of the Quicklag family, the Eaton QBHW2100H is a 2-pole, 100A miniature circuit breaker designed for commercial and industrial electrical systems. It features a fixed thermal-magnetic trip unit for dependable long-time and instantaneous overcurrent protection. This bolt-on breaker installs into Eaton Pow-R-Line panelboards. It accepts 8-1/0 AWG copper or aluminum wire via standard box lugs.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Series QBHW
Amperage 100A
Poles 2
Mounting Style Bolt-On
Voltage 240VAC
Phase 1
AIC Rating 22kA @ 240VAC
Fit and installation
Frame Type BAB
Terminal Type Box Lugs
For Use With Eaton Pow-R-Line Panelboards
Wire Gauge 8-1/0 AWG
Max Wire 1/0 AWG
Min Wire 8 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment
Accessories Load Side Lugs Included
Standards CSA C22.2 No. 5, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features HACR Rated, Non-Interchangeable Trip, Common Trip

Product FAQs

4 answers
Which panelboards are compatible with the QBHW2100H circuit breaker?

The QBHW2100H is designed for use in Eaton Pow-R-Line panelboards, including models like the PRL1a, PRL2a, PRL1X, and PRL2X that accept bolt-on Quicklag breakers. It is also backward compatible with many legacy Westinghouse panelboards that utilize bolt-on branch breakers.

What is the difference between Eaton QBHW and BAB circuit breakers?

Both are Quicklag bolt-on miniature circuit breakers with identical physical dimensions and mounting configurations. The primary difference is the interrupting rating. BAB breakers are rated for 10 kAIC, while QBHW breakers like the QBHW2100H are rated for 22 kAIC.

Are the lugs on the QBHW2100H rated for aluminum wire?

Yes, the standard box lugs on this breaker are dual-rated for both copper and aluminum conductors, accepting wire sizes from 8 AWG up to 1/0 AWG.

Is the Eaton QBHW2100H HACR rated?

Yes, this breaker is HACR rated, making it suitable for branch circuit protection of heating, air conditioning, and refrigeration equipment.

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Reviews

4.8
Rated 4.8 out of 5 stars
Based on 11 reviews
Rating
Ratings
11 reviews
  • CM
    Calvin M.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer QBHW2100 - 100A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 4 out of 5 stars
    7/22/26
    SuperBreakers

    SuperBreakers haven't disappointed me yet. They always have what I need and very timely deliveries!

  • WJ
    William J.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer QBHW1020 - 20A 1 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/2/26
    Emergency-Overnight Purchase and Delivery

    I needed breaker ASAP and SuperBreakers made it happen!

  • NS
    Nathan S.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer QBHW2040S - 40A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/19/26
    Arrived Just in Time

    Always satisfied with my SuperBreakers purchases!

  • PM
    Pete M.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer QBHW2015 - 15A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/12/25
    Great service and very helpful

    Knowledgable staff, easy to use website. Quick shipping turnaround.

  • BC
    Brian C.
    Flag of United States
    Reviewing
    Eaton / Cutler-Hammer QBHW2020 - 20A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/9/23
    plug & play

    Your website is very user friendly parts arrived promptly exact same parts no issues