Engineered for heavy-duty power distribution, the Eaton EDB3110 is a 110-amp, 3-pole molded case circuit breaker. It utilizes fixed thermal-magnetic trip technology to safeguard commercial and industrial circuits against overloads and short circuits. Designed with a standard F-frame footprint, this unit mounts into Pow-R-Line 1a, 2a, and 3a panelboards. It is fully compatible with Series C enclosures and seamlessly replaces older EB3110 breakers.
The EDB3110 is designed for use in Eaton Pow-R-Line 1a, 2a, and 3a panelboards, as well as Series C F-Frame enclosures.
What frame size is the EDB3110?
This breaker belongs to the Eaton Series C F-Frame family.
Can the EDB3110 be used in 480V systems?
No, the EDB series is rated for a maximum of 240VAC. For 480V applications, an EHD or FD series breaker is typically required.
Are the trip settings on the EDB3110 adjustable?
No, this breaker features a fixed thermal and fixed magnetic trip unit. It does not have adjustable dials for long-time or instantaneous pickup.
How does the EDB3110 mount into a panelboard?
It is a bolt-on circuit breaker designed to be secured directly to the panelboard bus using bolts, ensuring a tight and reliable connection.
Can I use aluminum wire with the EDB3110?
Yes, the standard lugs on this breaker are rated for both copper and aluminum conductors ranging from 4 AWG to 4/0 AWG.
Is the Cutler-Hammer EDB3110 the same as the Eaton EDB3110?
Yes, Eaton acquired Cutler-Hammer, and the EDB3110 is the exact same F-Frame circuit breaker under both brand names.
Can I install the EDB3110 in a standard residential load center?
No, the EDB3110 is an industrial F-Frame molded case circuit breaker. It is designed for Eaton Pow-R-Line panelboards and Series C enclosures, not standard residential load centers like BR or CH series panels.
Does the EDB3110 provide ground fault or arc fault protection?
No, the EDB3110 is a standard thermal-magnetic circuit breaker. It provides overload and short-circuit protection but does not include GFCI or AFCI functionality.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 114 reviews.
5.0
Rated 5.0 out of 5 stars
Based on 114 reviews
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Reviews Summary
Generated by AI from 100 most recent customer reviews
Last updated 10/21/26
Customers say these breakers perform as expected and arrive quickly. Fast shipping and competitive pricing are frequently mentioned, with many noting significant savings compared to local suppliers. Customers appreciate the easy-to-use website, responsive sales representatives, and reliable delivery. Products consistently arrive in good condition and well-packaged. Common feedback highlights dependable service, wide product availability, and seamless ordering processes. Customers report using this supplier repeatedly for their breaker needs.
Square D EDB34020 - 20A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
10/20/26
Breaker ordered and delivered.
Called in as a last attempt because my regular supplier didn't have any of these in stock. I got a very friendly salesperson, and they sold me a new breaker for less than half of what my standard supplier would have. Definitely going here again.
AM
Alex M.
Verified Buyer
Reviewing
Square D EDB34070 - 70A 3 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
10/19/26
Another Perfect Order
SuperBreakers is an amazing resource for the company I work for. Their prices are very competitive to local suppliers and lower prices than we can get in our work area.
Thank you SuperBreakers!
JL
Jeffery L.
Verified Buyer
Reviewing
Square D EDB34125 - 125A 3 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
10/16/26
Square D Breakers
Good company & prices reasonable.
CO
Chris O.
Verified Buyer
Reviewing
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