Part of the classic N-Frame series, the Federal Pacific NEF214030 is a single-pole MCCB designed for commercial systems. It provides dependable protection for 30-amp circuits. This bolt-on breaker serves as an exact replacement for aging infrastructure. It mounts seamlessly into original Federal Pacific NEF panelboards, allowing facilities to maintain existing equipment without adapters. Rated 14kAIC at 277VAC, the unit features a non-interchangeable trip and is suitable for reverse feed.
What panelboards are compatible with the Federal Pacific NEF214030?
This 1-pole molded case circuit breaker is specifically designed for installation in legacy Federal Pacific NEF panelboards. It serves as a direct replacement for aging commercial infrastructure without requiring retrofit adapters.
Is the NEF214030 a Stab-Lok residential breaker?
No. The NEF214030 is a commercial-grade N-Frame molded case circuit breaker with a secure bolt-on connection. It is completely distinct from the Federal Pacific Stab-Lok residential plug-on series and will not fit Stab-Lok load centers.
Can the NEF214030 be used in DC electrical systems?
Yes. In addition to its standard 120VAC and 277VAC ratings, this breaker is rated for use in DC circuits up to 125VDC. This makes it suitable for specific industrial control or battery-backed applications.
What wire gauge is required for the NEF214030 terminals?
The integrated lugs accept wire sizes ranging from 14 AWG to 2 AWG. Always verify local electrical codes for proper wire sizing based on the 30-amp continuous current rating and ambient temperature.
Are the trip settings on the NEF214030 adjustable?
No. This breaker utilizes fixed thermal and fixed magnetic trip elements to provide long-time and instantaneous (LI) fault protection. The trip thresholds are factory-set and cannot be modified in the field.
What are the advantages of the bolt-on connection for this breaker?
The bolt-on mounting style provides a highly secure, vibration-resistant mechanical and electrical connection to the panelboard bus. This is critical in commercial and industrial environments where loose connections could lead to arcing or overheating.
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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.