Designed to restore older electrical systems, this 15A two-pole molded case circuit breaker provides reliable thermal-magnetic protection. It serves as an exact drop-in replacement for the discontinued NB215, ensuring seamless integration without panel modifications. Built specifically for legacy Federal Pioneer NB commercial panelboards, the unit features a 10kAIC rating at 120/240VAC. It is also HACR and Switching Duty (SWD) rated for versatile commercial applications.
Which panelboards are compatible with the NB215 circuit breaker?
The NB215 is a bolt-on breaker designed specifically for Federal Pioneer and Schneider Electric Stab-Lok NB series panelboards, including the NBC, NBLP, NBDP, and CDP models.
How does the NB215 mount into the panelboard?
This breaker features a bolt-on mounting design that fastens directly to the panelboard bus bar using screws. It will not fit in standard plug-on Stab-Lok load centers.
What wire sizes are accepted by the lugs on this 15A breaker?
The load side lugs on the NB215 are rated to accept 14 AWG to 2 AWG aluminum or copper conductors. Ensure proper torque specifications are followed during installation.
Is the NB221015FED the same as the NB215?
Yes, NB221015FED is the complete manufacturer catalog number for the standard NB215 15-amp, 2-pole bolt-on circuit breaker.
Can I use this bolt-on breaker in a standard residential Federal Pioneer Stab-Lok panel?
No. Standard residential Stab-Lok panels typically require plug-on breakers, such as the NA or NC series. The NB series is strictly for commercial bolt-on panelboards.
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Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 18 reviews.
Federal Pacific NB100 - 100A 2 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
7/2/26
100amp federal pacific breaker
So far the breaker works as expected
Just good to know some of these old federal are still available.
Thank you
SG
scott g.
Verified Buyer
Reviewing
Federal Pacific NB111020 - 20A 1 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
6/26/26
Hard to find breakers
Had a project at a school built in the 1960’s and thought we were up a creek when confronted with ancient FPE commercial panels. Luckily we found what we needed with Suoerbreakers.
BF
Barry F.
Verified Buyer
Reviewing
Federal Pacific NB100 - 100A 2 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
6/13/26
Hard to find circuit breaker
Item was as described.
WW
William W.
Verified Buyer
Reviewing
Federal Pacific NB100 - 100A 2 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
3/9/26
Exactly what I needed.
Awesome! Packaging and delivery were good. Bolted in and worked perfectly!!)
GH
Gary H.
Verified Buyer
Reviewing
Federal Pacific NB125 - 125A 2 Pole Miniature Circuit Breaker