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Federal Pacific NB232070 Miniature Circuit Breaker
- 70A
- 3 Pole
- Bolt-On
Federal Pacific
NB232070
Miniature Circuit Breaker
Brand
Federal Pacific
SKU
NB232070
Quantity
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Federal Pacific NB232070 - 70A 3 Pole Miniature Circuit Breaker
New
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Federal Pacific NB232070 - 70A 3 Pole Miniature Circuit Breaker
New
Quantity
| Brand | Federal Pacific |
|---|---|
| Part Number | NB232070 |
| Series | NB |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific NBLP, NBC, NBDP, CDP Panelboards |
| Wire Gauge | 4-1/0 AWG (Al/Cu) |
| Max Wire | 1/0 AWG |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Accessories | Load Side Lugs Included |
|---|---|
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Common Trip |
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Federal Pacific NB232070 - 70A 3 Pole Miniature Circuit Breaker
Re-Certified
Quantity
| Brand | Federal Pacific |
|---|---|
| Part Number | NB232070-R |
| Series | NB |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific NBLP, NBC, NBDP, CDP Panelboards |
| Wire Gauge | 4-1/0 AWG (Al/Cu) |
| Max Wire | 1/0 AWG |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Accessories | Load Side Lugs Included |
|---|---|
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Common Trip |
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Description
Engineered to keep aging commercial systems operational, the NB232070 is a 70-amp, three-pole breaker. It delivers a confident solution for managing discontinued Federal Pacific equipment. The bolt-on design ensures a secure connection into legacy NBLP, NBC, NBDP, and CDP panelboards. It provides an exact replacement fit without modification kits, and crosses to the UBIF370NB substitute.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | NB232070 |
| Series | NB |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific NBLP, NBC, NBDP, CDP Panelboards |
| Wire Gauge | 4-1/0 AWG (Al/Cu) |
| Max Wire | 1/0 AWG |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Accessories | Load Side Lugs Included |
|---|---|
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Common Trip |
Product FAQs
6 answersWhich panelboards are compatible with the Federal Pacific NB232070 circuit breaker?
The NB232070 is designed for secure installation in legacy Federal Pacific NBLP, NBC, NBDP, and CDP commercial panelboards.
What is the direct aftermarket cross-reference for the NB232070?
The Connecticut Electric UBIF370NB is a direct aftermarket substitute that provides an exact fit for this 70-amp, 3-pole breaker without the need for modification kits.
What wire sizes and materials are accepted by the load side lugs on the NB232070?
The factory-installed load side lugs accommodate both aluminum and copper (Al/Cu) conductors ranging from 4 AWG up to 1/0 AWG.
What trip functions are included in the NB232070 thermal-magnetic breaker?
This breaker features fixed long-time and instantaneous (LI) trip functions, providing standard overload and short-circuit protection for commercial distribution systems.
How does the NB232070 connect to the panelboard bus?
It utilizes a bolt-on connection, which is standard for Federal Pacific NB series commercial panels. This bolted design ensures a secure mechanical and electrical connection to prevent bus arcing under constant power demand.
What is the maximum frame size for the NB232070 circuit breaker?
The NB232070 is built on a 100-amp frame, while this specific configuration is factory-calibrated for a 70-amp continuous trip rating.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 18 reviews.
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Rating
18 reviews
- MMMike M.Verified BuyerReviewingFederal Pacific NB100 - 100A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars7/2/26100amp federal pacific breaker
So far the breaker works as expected
Just good to know some of these old federal are still available.
Thank you
- SGscott g.Verified BuyerReviewingFederal Pacific NB111020 - 20A 1 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars6/26/26Hard 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.
- BFBarry F.Verified BuyerReviewingFederal Pacific NB100 - 100A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars6/13/26Hard to find circuit breaker
Item was as described.
- WWWilliam W.Verified BuyerReviewingFederal Pacific NB100 - 100A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars3/9/26Exactly what I needed.
Awesome! Packaging and delivery were good. Bolted in and worked perfectly!!)
- GHGary H.Verified BuyerReviewingFederal Pacific NB125 - 125A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars3/3/26Federal Pacific NB125 2 Pole Circuit Breaker
Federal Pacific NB125 2 Pole Circuit Breaker
Great product and excellent price and warranty.