Part of the legacy N-frame series, the Federal Pacific NE233100NA is a 100A, 3-pole molded case circuit breaker. It delivers essential overcurrent and short-circuit protection for commercial facilities. Designed for exact fitment, this bolt-on breaker mounts into older Federal Pacific NE panelboards. It serves as a reliable replacement to keep existing infrastructure operational, and crosses over to the UBINE233100 substitute. This unit provides an 18kAIC interrupting rating at 240VAC.
Which panelboards accept the Federal Pacific NE233100NA circuit breaker?
This N-frame breaker is designed exclusively for legacy Federal Pacific NE panelboards. It requires a bolt-on connection directly to the panel bus.
What is the direct replacement or cross-reference for the NE233100NA?
If an original Federal Pacific unit is unavailable, the UBINE233100 serves as a direct aftermarket substitute that fits the same NE series panelboards.
What wire sizes are supported by the NE233100NA terminals?
The standard lugs on this 100-amp breaker accept conductors ranging from 14 AWG to 1/0 AWG.
Is the NE233100NA rated for direct current (DC) systems?
Yes, this breaker supports 250VDC applications and provides a 5kAIC interrupting rating for DC circuits, in addition to its standard 240VAC ratings.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
Federal Pacific NE233100 - 100A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
10/6/25
Had what we needed
needed an old FP breaker SP had it in stock. saved us from downtime
RV
Robert V.
Reviewing
Federal Pacific NE233050 - 50A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
5/5/22
Hard to Find
It was a relief to find this working Federal Pacific CB for our church’s Main HVAC supply panel- We are in Florida and it is hot now! services and social events are happening in the cool of the restored AC- thank God!!