A drop-in replacement for aging electrical systems, the Federal Pacific NEF113015 is a 15A, single-pole molded case circuit breaker. It is built specifically for commercial and industrial applications requiring reliable thermal-magnetic protection. This bolt-on MCCB installs into legacy Federal Pacific panelboards, eliminating the need for complex retrofits. It features a non-interchangeable trip unit and includes load-side lugs. Rated 25kAIC at 120VAC, it is HACR rated and vibration tested.
Is the Federal Pacific NEF113015 still in active production?
Federal Pacific Electric is no longer in business, meaning original OEM production has ceased. Facilities relying on legacy FPE panelboards typically source verified aftermarket replacements or surplus stock to maintain their electrical distribution systems without a complete retrofit.
Is the NEF113015 compatible with residential Stab-Lok panels?
No. The NEF series consists of commercial and industrial N-Frame molded case circuit breakers with a bolt-on connection. They will not fit in residential Stab-Lok load centers, which require specific plug-on breakers.
What is the mounting process for the NEF113015 in a panelboard?
This breaker utilizes a bolt-on connection to secure directly to the panelboard bus. Depending on the specific legacy Federal Pacific panelboard, such as a CDP series, dedicated bus connection hardware kits may be required for proper installation.
How does the thermal-magnetic trip unit operate on this breaker?
The NEF113015 utilizes a fixed thermal-magnetic trip mechanism with long-time and instantaneous (LI) functions. The thermal component responds to prolonged overloads, while the magnetic component provides immediate tripping during severe short circuits.
What wire sizes are supported by the load lugs on the NEF113015?
The factory-installed load lugs accommodate wire gauges from 14 AWG up to 2 AWG. Installers must verify that the selected conductor size aligns with the 15-amp rating and local electrical codes.
Can the NEF113015 be used in both AC and DC applications?
Yes, this breaker is rated for both alternating current and direct current systems. It supports up to 120V AC and 125V DC, allowing integration into various legacy industrial control and distribution circuits.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 6 reviews.
Federal Pacific NEF431030 - 30A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
8/21/26
Fpe 3 pole 30 amp breaker.
I ordered the breaker on Thursday and it was at my house for Saturday morning. Breaker is in pristine condition. A real bail out. Thank you.
MR
Michael R.
Verified Buyer
Reviewing
Federal Pacific NEF431040 - 40A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
8/4/25
Warehouse Air Compressor
Worked like a charm.
Thank you.
DP
Diana P.
Reviewing
Federal Pacific NEF433020 3 Pole Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
3/3/21
Satisfied
Service was GREAT!!
DJ
David J.
Reviewing
Federal Pacific / American NEF431100 - 100A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
1/13/21
This worked out great.
This worked out great.
MW
Mark W.
Reviewing
Federal Pacific NEF421050 - 50A 2 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
11/17/19
Great service & pricing
Superbreakers did a great job for us. We called and asked if the breakers were actually in their possession. Withing 30 minutes they called us back (which is rare these days), and we got our breakers the next morning.