Designed to protect commercial electrical systems, the Square D HGA260801 provides 2-pole, 80A overcurrent defense with an AB phase configuration. It features a high-performance thermal-magnetic trip unit with long-time and instantaneous functions. Engineered for quick installation into I-Line panelboards, the breaker utilizes a secure plug-on mounting style. It acts as an exact cross-reference and modern upgrade for legacy FA26080AB and FH26080AB industrial circuit breakers.
What panelboards are compatible with the HGA260801 circuit breaker?
This breaker is designed exclusively for use in Square D I-Line panelboards and switchboards. It features an I-Line style plug-on connection for the line side.
What legacy Square D breakers does the HGA260801 replace?
The HGA260801 is a direct modern replacement and cross-reference for legacy FA26080AB and FH26080AB industrial circuit breakers.
What does the 1 at the end of the HGA260801 catalog number indicate?
The 1 suffix specifies that this 2-pole breaker is configured for an AB phase connection on the I-Line bus.
What does the G in the HGA260801 part number signify?
The G indicates the interrupting rating tier of the PowerPacT H-frame series. For this breaker, it provides a 65kA rating at 240V AC, 35kA at 480V AC, and 18kA at 600V AC.
How is the HGA260801 breaker mounted and wired?
It utilizes an I-Line plug-on connection for the line side, which attaches directly to the panelboard bus. The load side features mechanical lugs that accept 14 AWG to 3/0 AWG aluminum or copper wire.
What are the magnetic trip settings for the HGA260801?
This 80A breaker features a fixed thermal-magnetic trip unit. The factory-set magnetic hold current is 800A, and the magnetic trip current is 1450A.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 14 reviews.
Square D HGA36150 - 150A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
5/18/26
Great item
Breaker was in great shape, and packaged with care
CF
Cameron F.
Verified Buyer
Reviewing
Square D HGA36050 - 50A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
7/29/25
HGA36050
Thank you, guys, for being SUPER quick with all your deliveries.
CW
Callie W.
Reviewing
Square D HGA36020 - 20A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
6/28/22
Great company
Have made multiple orders through them and they always ship out fast and the correct items. Will continue to do business with them.
JM
Justin M.
Reviewing
Square D HGA36150 - 150A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
5/8/22
Great service!
Prompt shipping.
SM
Steven M.
Reviewing
Square D HGA36050 - 50A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
4/11/22
Great service
I need the 2 breakers NDA, but they had one in stock, and had to get the other from there supplier. Some how I received both breaker the next day and got the job done. GREAT SERVICE!!