Engineered for commercial facilities, this 125A F-Frame MCCB delivers reliable thermal-magnetic protection. This bolt-on breaker installs into Pow-R-Line 1a, 2a, and 3a panelboards. It serves as a direct replacement for legacy EB2125 breakers and accepts 4 AWG to 4/0 AWG wire. Rated at 22 kAIC at 240VAC, the unit features reverse feed capability and is HACR rated for HVAC applications.
Which Eaton panelboards are compatible with the EDB2125 breaker?
This Series C F-Frame breaker is designed for installation in Eaton Pow-R-Line 1a, 2a, and 3a panelboards. It can also be installed in standalone Series C F-Frame enclosures.
Are the thermal and magnetic trip settings adjustable on the EDB2125?
No. This breaker features a fixed thermal and fixed magnetic trip unit. The long-time and instantaneous trip functions are factory set and cannot be modified in the field.
Is the Eaton EDB2125 interchangeable with the Square D EDB2125?
No. While they share the exact same catalog number, Eaton Series C F-Frame breakers and Square D E-Frame breakers have completely different physical dimensions and bus connections. They cannot be swapped.
What conductor sizes are accepted by the standard lugs on this breaker?
The factory-installed lugs accommodate wire sizes from 4 AWG up to 4/0 AWG. They are rated for both copper and aluminum conductors.
Is the EDB2125 suitable for direct current systems?
Yes, it carries a DC rating for 125VDC systems, providing up to 10kA of interrupting capacity for direct current applications.
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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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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 111 reviews.
5.0
Rated 5.0 out of 5 stars
Based on 111 reviews
5
Rated out of 5 stars
109
Total 5 star reviews: 109
4
Rated out of 5 stars
2
Total 4 star reviews: 2
3
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0
Total 3 star reviews: 0
2
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Total 2 star reviews: 0
1
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Total 1 star reviews: 0
Reviews Summary
Generated by AI from 87 most recent customer reviews
Last updated 8/7/25
Customers say these circuit breakers arrive quickly and function as expected. Many reviews mention competitive pricing and reliable shipping. The ordering process receives praise for its simplicity, with users noting the website is easy to navigate. Frequent comments address product availability and proper packaging. While some note receiving older stock items, users consistently report the breakers work effectively.
Square D EDB34125 - 125A 3 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
8/4/26
Fast and easy
Locating the product, checking out and delivery were top notch!
JD
John D.
Verified Buyer
Reviewing
Square D EDB14020 - 20A 1 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
7/16/26
Great place
My rep has been very responsive and helpful. He always gives me a good deal also
DH
Dave H.
Verified Buyer
Reviewing
Square D EDB34020 - 20A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
7/6/26
Brfeaker
good service and quick ship
RP
Ronica P.
Verified Buyer
Reviewing
Square D EDB34015 - 15A 3 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
6/30/26
Great Experience from Start to Finish
Great experience! My order arrived on time and everything was exactly as expected. The items were packaged securely, and everything arrived in perfect condition. I appreciate the care taken with packaging and the prompt delivery. I would definitely order from them again!
TB
Theresa B.
Verified Buyer
Reviewing
Square D EDB34015 - 15A 3 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
6/17/26
Works as expected
Breaker worked as expected. Price was good and shipping and delivery were expedient. No complaints