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Federal Pacific NE233040 Molded Case Circuit Breaker
- 40A
- 3 Pole
- Bolt-On
Federal Pacific
NE233040
Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
NE233040
Quantity
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Federal Pacific NE233040 - 40A 3 Pole Molded Case Circuit Breaker
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Description
Part of the classic N-Frame family, the Federal Pacific NE233040 restores functionality to aging commercial electrical systems. This 40-amp, three-pole molded case circuit breaker utilizes a fixed thermal-magnetic trip unit to defend against overloads and short circuits. Designed specifically for Federal Pacific NE panelboards, it provides a seamless bolt-on fit. The breaker is rated for 18kAIC at 240VAC and supports reverse-feed applications. It serves as an equivalent for UBINE233040.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | NE233040-R |
| Series | NE |
| Amperage | 40A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 5kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific NE Panelboards |
| Wire Gauge | 14-2 AWG |
| Max Wire | 2 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5.1, NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip, Reverse Feed |
Product FAQs
5 answersWhich panelboards are compatible with the NE233040 circuit breaker?
This breaker is designed specifically for legacy Federal Pacific NE panelboards. It can also be mounted in Federal Pacific CDP panelboards when using the appropriate NEF1K twin branch mounting hardware strap kit.
Is there a direct aftermarket replacement for the Federal Pacific NE233040?
Yes, the UBINE233040 is a direct aftermarket equivalent that matches the physical dimensions and electrical specifications of the original Federal Pacific N-Frame breaker.
Does this breaker support reverse-feed applications?
Yes, the NE233040 features a non-interchangeable trip design that is suitable for reverse-feed installations, allowing it to be back-fed in compatible panel configurations.
Are the thermal and magnetic trip settings adjustable on this breaker?
No, the NE233040 utilizes a fixed thermal-magnetic trip unit. Both the long-time and instantaneous trip functions are factory set and cannot be adjusted in the field.
How does this breaker connect to the panelboard bus?
The NE233040 utilizes a bolt-on mounting style for a secure connection to the panelboard bus. It includes load side lugs that accommodate 14 AWG to 2 AWG wire.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
Total 5 star reviews: 2 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
2 reviews
- KCKenny C.Verified BuyerReviewingFederal Pacific NE233100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars10/6/25Had what we needed
needed an old FP breaker SP had it in stock. saved us from downtime
- RVRobert V.ReviewingFederal Pacific NE233050 - 50A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars5/5/22Hard 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!!