General Electric THHQB1115AF2 1 Pole Arc Fault Circuit Breaker
The General Electric THHQB1115AF2 is a 1 Pole thermal magnetic molded case arc fault circuit breaker with a current rating of 15 Amps and a voltage rating of 120/240VAC. It has an interrupting rating of 22kAIC at 120/240VAC. The THHQB1115AF2 has a bolt-on connection type and includes long time and instantaneous trip functions.
Which electrical panels are compatible with the THHQB1115AF2 circuit breaker?
This bolt-on breaker is designed for use in GE A-Series panelboards, AQ lighting panels, and ABB ReliaGear panelboards that accept THHQB series breakers. It is not compatible with standard residential PowerMark Gold load centers, which require plug-in THQL breakers.
What does the AF2 designation mean on this GE circuit breaker?
The AF2 suffix indicates that this is a Combination Arc Fault Circuit Interrupter (CAFCI). It provides advanced protection by detecting both parallel and series arcing faults to help prevent electrical fires, meeting modern National Electrical Code (NEC) requirements.
How does the THHQB1115AF2 connect to the panel bus?
This breaker features a bolt-on connection. It secures directly to the panel bus bar with a screw, providing a highly stable and vibration-resistant mechanical mount typically required in commercial and industrial applications.
What wire sizes are accepted by the terminals on this 15-amp breaker?
The load side lug terminal on this 15-amp breaker accepts 14 AWG to 10 AWG copper or aluminum wire. Always verify the specific torque requirements printed on the breaker label during installation.
Can I use this THHQB breaker to replace a standard THQB breaker?
Yes, THHQB breakers share the same physical dimensions and bolt-on mounting as standard THQB breakers. The THHQB simply offers a higher interrupting capacity of 22kAIC compared to the 10kAIC rating of a standard THQB, making it a safe and direct upgrade.
Will this breaker arrive with GE or ABB branding?
ABB acquired GE Industrial Solutions in 2018. Depending on the manufacturing date, this exact THHQB1115AF2 breaker may arrive with either GE or ABB branding, but the physical dimensions, fit, and function remain identical.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 13 reviews.
ABB / General Electric THHQB21100 - 100A 2 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
4/6/26
ABB / General Electric THHQB21100
Fast Service and delivery, The breaker was as described and brand new! Great pricing and great Service. I paid extra for UPS ground, it was delivered quickly.
SN
Scott N.
Verified Buyer
Reviewing
ABB / General Electric THHQB32030 - 30A 3 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
12/30/25
Perfect
The correct breaker the first time - every time.
AG
Alejandra G.
Verified Buyer
Reviewing
ABB / General Electric THHQB1140 - 40A 1 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
8/4/25
Everithing is good!
Everithing is good!
LM
Luis M.
Reviewing
ABB / General Electric THHQB2145 - 45A 2 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
8/19/23
Good product and good service
Good product and good service
SH
Scott H.
Reviewing
ABB / General Electric THHQB2180 - 80A 2 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
6/21/22
80amp commercial breaker
Great how easy it was to order and how fast I got it. I will order one again when needed