Built for 277VAC commercial lighting and distribution, this 25-amp molded case circuit breaker ensures robust thermal-magnetic protection. The device mounts into legacy Square D NEHB panelboards, serving as a critical component for older facility infrastructure. It features a 14kAIC rating at 277V, along with Visi-Trip technology for rapid fault identification. For modern installations utilizing NF series panelboards, the EDB14025 serves as the current replacement model.
Which panelboards accept the EHB14025 circuit breaker?
This breaker is specifically designed for legacy Square D NEHB panelboards. It is not compatible with newer NF or NQ series panels.
Can an EDB series breaker be used as a direct replacement for the EHB14025?
No. Although Schneider Electric introduced the EDB series as the modern successor, EDB breakers are built for NF panelboards and will not fit onto an NEHB busbar. You must use an EHB breaker to maintain an NEHB panel.
What types of circuits is the EHB14025 typically used to protect?
With its 277VAC rating, this single-pole breaker is frequently used in commercial and industrial 277/480V systems, particularly for branch circuits supplying commercial lighting.
Are the lugs on the EHB14025 rated for aluminum wire?
Yes, the factory-installed lugs are AL/CU rated, meaning they safely accept both aluminum and copper conductors. Always apply an approved oxide inhibitor when terminating aluminum wire.
Does the EHB14025 require a separate mounting bracket for installation?
No additional mounting bracket is required. As a bolt-on breaker, it fastens directly to the NEHB panelboard busbar.
What does the LI trip function on the EHB14025 indicate?
The LI designation means the breaker provides Long-Time (thermal) protection against sustained overloads and Instantaneous (magnetic) protection against short circuits. The trip settings on this model are fixed and cannot be adjusted.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 19 reviews.
Square D EHB24060 - 60A 2 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
2/28/26
President NGE
The quality is excellent, but you need to double check when you order that the corrected one gets delivered
MD
Mitchell D.
Verified Buyer
Reviewing
Square D EHB14020HID - 20A 1 Pole Molded Case Circuit Breaker
I recommend this product
Rated 4 out of 5 stars
2/4/26
Hard to find
Super breakers has just what I was looking for when no one else did!!
MS
Mike S.
Verified Buyer
Reviewing
Square D EHB34060 - 60A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
11/21/25
Fast reliable service, reasonable prices
I recently ordered the incorrect breakers for a job, but I contacted Drew at SuperBreakers and he got me the correct breakers shipped out that day, which I received the next day. He sent me a label to send the wrong breakers back, and I was quickly refunded a restocking fee that I incurred for my mistake. I was able to get the breakers installed, and the power running to meet the deadline. Not to mention, the price was better than I found elsewhere. Thanks Drew!
I would definitely recommend this company if you need fast, reliable service for your electrical product needs. And I'm sure I will use them again.
Thank you SuperBreakers! Nice job Drew!
DT
David T.
Reviewing
Square D EHB14020 - 20A 1 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
12/12/23
Everything worked out perfect thanks
Everything worked out perfect thanks again
GC
GULF C.
Reviewing
Square D EHB34020 - 20A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
7/5/23
Perfect condition
This breaker arrived as advert and timely. Perfect condition. Good working condition