Federal Pacific NEF431070R NEF431070 - 70A 3 Pole Molded Case Circuit Breaker
- 70A
- 3 Pole
- Bolt-On
Federal Pacific
NEF431070R
NEF431070 - 70A 3 Pole Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
NEF431070R
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Federal Pacific NEF431070 - 70A 3 Pole Molded Case Circuit Breaker
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Description
Built to maintain older electrical systems, this 70-amp Federal Pacific component integrates seamlessly into compatible legacy panelboards. The three-pole bolt-on configuration eliminates the need for retrofit kits while providing robust thermal-magnetic protection. Delivering a short-circuit current rating of 18kA at 240V and 14kA at 480V, the non-interchangeable trip unit includes HACR certification and vibration-tested durability for demanding commercial environments.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | NEF431070R-R |
| Series | NEF |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 14kA @ 480VAC, 10kA @ 250VDC |
| Frame Type | NEF |
|---|---|
| Terminal Type | Lugs |
| For Use With | Federal Pacific Panelboards |
| Wire Gauge | 4-1/0 AWG |
| 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 Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Undervoltage Release, Auxiliary Switch, Bell Alarm |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2, UL 489, NEMA AB 1 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Non-Interchangeable Trip, Reverse Feed, Vibration Tested |
Product FAQs
5 answersWhich panelboards accept the NEF431070 circuit breaker?
This NEF-frame breaker is designed specifically for legacy Federal Pacific Electric (FPE) bolt-on panelboards and distribution equipment that accommodate N-frame molded case circuit breakers.
Is the NEF431070 part of the FPE Stab-Lok series?
No. The NEF431070 is a commercial-grade molded case circuit breaker with a bolt-on connection. It is not part of the residential Stab-Lok series, which utilizes a different plug-on design and has a distinct operational history.
Are new OEM replacements available for the NEF431070?
Federal Pacific Electric is no longer in business, so direct modern OEM replacements are not manufactured. Maintaining existing FPE N-frame panelboards requires sourcing legacy NEF breakers or upgrading the distribution equipment.
Can the trip unit on the NEF431070 be adjusted in the field?
No. This breaker features a fixed thermal-magnetic trip unit. The long-time and instantaneous protection settings are factory-calibrated and cannot be modified or interchanged by the installer.
What does the LI trip function mean for this FPE breaker?
The LI designation indicates that the thermal-magnetic trip unit provides Long-Time (L) protection against sustained overloads and Instantaneous (I) protection against severe short circuits.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 6 reviews.
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Rating
6 reviews
- SCStephen C.Verified BuyerReviewingFederal Pacific NEF431030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/21/26Fpe 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.
- MRMichael R.Verified BuyerReviewingFederal Pacific NEF431040 - 40A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/4/25Warehouse Air Compressor
Worked like a charm.
Thank you.
- DPDiana P.ReviewingFederal Pacific NEF433020 3 Pole Circuit BreakerI recommend this productRated 5 out of 5 stars3/3/21Satisfied
Service was GREAT!!
- DJDavid J.ReviewingFederal Pacific / American NEF431100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/13/21This worked out great.
This worked out great.
- MWMark W.ReviewingFederal Pacific NEF421050 - 50A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/17/19Great 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.