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Federal Pacific NEF435020 Molded Case Circuit Breaker
- 20A
- 3 Pole
- Bolt-On
Federal Pacific
NEF435020
Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
NEF435020
Quantity
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Federal Pacific NEF435020 - 20A 3 Pole Molded Case Circuit Breaker
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20A 3 Pole Molded Case Circuit Breaker
20A 3 Pole Molded Case Circuit Breaker
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Description
Part of the legacy N-Frame series, this 20A commercial molded case circuit breaker provides reliable long-time and instantaneous protection. It installs into existing Federal Pacific NEF panelboards, serving as an exact replacement for the discontinued NEF437020 model. Rated for 14kAIC at 480VAC, the unit features a vibration-tested design and is fully suitable for reverse feed applications in industrial environments.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | NEF435020-R |
| Series | NEF |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 14kA @ 480VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific NEF 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, Undervoltage Release, Bell Alarm |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip, Reverse Feed, Vibration Tested |
Product FAQs
8 answersWhat panelboards are compatible with the NEF435020 circuit breaker?
This 3-pole breaker is designed to bolt directly into legacy Federal Pacific NEF panelboards. It does not require aftermarket adapters for installation.
Can the NEF435020 replace older discontinued Federal Pacific breakers?
Yes, the NEF435020 serves as an exact drop-in replacement for the discontinued Federal Pacific NEF437020 circuit breaker.
What wire sizes are accepted by the lugs on this breaker?
The load side lugs on the NEF435020 accept wire gauges ranging from 14 AWG to 2 AWG.
How does this breaker mount into the panelboard?
The NEF435020 features a bolt-on connection type, securing directly to the busbar of compatible Federal Pacific NEF panelboards.
Is the NEF435020 rated for direct current applications?
Yes, in addition to its alternating current ratings, this breaker is rated for up to 250VDC with an interrupting capacity of 10kAIC.
Is this Federal Pacific breaker suitable for reverse feed applications?
Yes, the NEF435020 features a non-interchangeable trip design that is vibration-tested and fully suitable for reverse feed applications in industrial environments.
Does the NEF435020 have an adjustable trip unit?
No, this breaker utilizes a fixed thermal-magnetic trip unit with long-time and instantaneous (LI) protection functions.
What frame size does the NEF435020 belong to?
This breaker is part of the legacy Federal Pacific N-Frame group, specifically the NEF series of molded case circuit breakers.
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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.