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ABB / General Electric THQB2190 Miniature Circuit Breaker

  • 90A
  • 2 Pole
  • Bolt-On
ABB / General Electric THQB2190
Miniature Circuit Breaker
Brand ABB / General Electric
SKU THQB2190
Select Item Condition
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  • 90A
  • 2 Pole
  • Bolt-On

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ABB / General Electric THQB2190 - 90A 2 Pole Miniature Circuit Breaker

ABB / General Electric THQB2190 - 90A 2 Pole Miniature Circuit Breaker

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$82.60 In Stock

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Description

Built for versatile applications, the THQB2190 is a 90A miniature circuit breaker from GE's Q-Line family. It provides dependable protection with standard long-time and instantaneous trip functions. This unit mounts into GE A-Series panelboards using a secure bolt-on connection, ensuring a tight, vibration-resistant fit to the busbar. Rated at 10kAIC, it includes a visual trip indicator for quick fault identification. The breaker is HACR rated and supports reverse feed setups.

Specifications

Key specifications
Brand ABB / General Electric
Part Number THQB2190
Series THQB
Amperage 90A
Poles 2
Mounting Style Bolt-On
Voltage 120/240VAC
Phase 1
AIC Rating 10kA @ 120/240VAC
Fit and installation
Frame Type THQB
Terminal Type Box Lugs
For Use With GE A-Series Panelboards
Wire Gauge 6-1/0 AWG (Cu), 4-1/0 AWG (Al)
Max Wire 1/0 AWG
Min Wire 6 AWG (Cu), 4 AWG (Al)
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, HACR, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features HACR Rated, Internal Common Trip, Quick-Make/Quick-Break, Non-Interchangeable Trip, Visual Trip Indicator, Reverse Feed

Product FAQs

6 answers
Which panelboards are compatible with the THQB2190 circuit breaker?

The THQB2190 is a bolt-on Q-Line breaker designed for use in GE A-Series panelboards, including AQ lighting panels.

Is the THQB2190 circuit breaker HACR rated?

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

What is the recommended lug tightening torque for the THQB2190?

For the box lugs on this breaker, the recommended torque is 45 in-lb for #6 to #4 AWG wire, and 50 in-lb for #3 to 1/0 AWG wire.

Can the THQB2190 be used in reverse feed applications?

Yes, this thermal-magnetic breaker is suitable for reverse feed installations.

What is the difference between THQB and THQL breakers?

THQB breakers, like the THQB2190, feature a bolt-on connection for commercial panelboards. THQL breakers are plug-in style breakers typically used in residential load centers. They are not interchangeable.

Does the THQB2190 provide ground fault or arc fault protection?

No, the THQB2190 is a standard thermal-magnetic breaker with long-time and instantaneous (LI) trip functions. It does not include GFCI or AFCI protection.

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Reviews

4.9
Rated 4.9 out of 5 stars
Based on 110 reviews
Reviews Summary
Customers say these circuit breakers arrive quickly and work as expected. Many reviews mention fast shipping, with some receiving orders overnight or within days. Users report the breakers fit properly, install easily, and function correctly in both residential and commercial applications. Common feedback includes competitive pricing and good packaging that protects products during shipping. While most praise the ordering process as straightforward, some note occasional issues with missing installation screws or receiving updated product versions instead of pictured models. Several contractors and electricians appreciate having access to hard-to-find or obsolete breakers when local suppliers lack inventory.
Rating
Ratings
110 reviews
  • SP
    Sarah P.
    Verified Buyer
    Reviewing
    ABB / General Electric THQB1120 - 20A 1 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/15/26
    Exactly as Described

    These are so hard to find at a good price. Will be ordering again.

  • SB
    Seth B.
    Verified Buyer
    Reviewing
    ABB / General Electric THQB1120 - 20A 1 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/8/26
    Hard to find older style breakers

    I am pleased to have access to these breakers. We have a number of them at our church. Local suppliers said that they had never seen this kind of breaker. They fit our panel perfectly.

  • TZ
    Thomas Z.
    Verified Buyer
    Reviewing
    ABB / General Electric THQB32040 - 40A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/30/26
    Great company

    This company is awesome. Every time I call them and I need help with something. They’re right there to help me. They’re also very knowledgeable. They go out of their way to get you the product that you need right away and not a great price.

  • TD
    Terry D.
    Verified Buyer
    Reviewing
    ABB / General Electric THQB2130GFT - 30A GFCI Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/24/26
    30 AMP GFCI @ POLE

    Breakers were new in box as advertised. Good turn around on orders Reasonable pricing much less than abb dealer

  • LM
    Leslie M.
    Verified Buyer
    Reviewing
    ABB / General Electric THQB21100 - 100A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/16/26
    Perfect fit.

    Always timely with delivery and a perfect.fit.