Free Shipping Over $99
Federal Pacific NC0240 Miniature Circuit Breaker
- 40A
- 2 Pole
- Plug-On
Federal Pacific
NC0240
Miniature Circuit Breaker
Brand
Federal Pacific
SKU
NC0240
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Federal Pacific NC0240 - 40A 2 Pole Miniature Circuit Breaker
Re-Certified
Quantity
Sold out
Quantity
Federal Pacific NC0240 - 40A 2 Pole Miniature Circuit Breaker
New
Quantity
| Brand | Federal Pacific |
|---|---|
| Part Number | NC0240 |
| Series | NC |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific Stab-Lok Load Centers |
| Wire Gauge | 14-6 AWG (Cu/Al) |
| Max Wire | 6 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Handle Tie, Padlock Attachment |
|---|---|
| Accessories | NC0240-R |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Stab-Lok Design, Thin / Wafer Style (1/2 Inch per Pole), Color Coded Handle |
Quantity
Federal Pacific NC0240 - 40A 2 Pole Miniature Circuit Breaker
Re-Certified
Quantity
| Brand | Federal Pacific |
|---|---|
| Part Number | NC0240-R |
| Series | NC |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific Stab-Lok Load Centers |
| Wire Gauge | 14-6 AWG (Cu/Al) |
| Max Wire | 6 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Handle Tie, Padlock Attachment |
|---|---|
| Accessories | NC0240-R |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Stab-Lok Design, Thin / Wafer Style (1/2 Inch per Pole), Color Coded Handle |
Similar Items
20A 2 Pole Miniature Circuit Breaker
15A 2 Pole Miniature Circuit Breaker
40A 1 Pole Miniature Circuit Breaker
Description
Repairing older service panels is simple with this 40A, 2-pole breaker. It utilizes proven thermal-magnetic technology to safeguard heavier 120/240V circuits. Engineered for Federal Pacific Stab-Lok enclosures, the device mounts into the panel without special hardware. It functions as an exact cross-reference for the UBIF0240N. The half-inch per pole wafer construction maximizes available enclosure space. It includes a color-coded handle and accommodates 14-6 AWG wire.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | NC0240-R |
| Series | NC |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific Stab-Lok Load Centers |
| Wire Gauge | 14-6 AWG (Cu/Al) |
| Max Wire | 6 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Handle Tie, Padlock Attachment |
|---|---|
| Accessories | NC0240-R |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Stab-Lok Design, Thin / Wafer Style (1/2 Inch per Pole), Color Coded Handle |
Product FAQs
6 answersWhat is the difference between Federal Pacific NC and NA series breakers?
The NC series is the thin style breaker, measuring 1/2 inch wide per pole, making this 2-pole breaker 1 inch wide in total. The NA series is the thick style, measuring 1 inch wide per pole. They are not interchangeable. You must verify which physical style your Stab-Lok panel requires.
What is the direct cross-reference for the Federal Pacific NC0240?
The Connecticut Electric UBIF0240N is the exact modern aftermarket replacement for the original Federal Pacific NC0240 thin-style circuit breaker.
How does the NC0240 install into the electrical panel?
It features the proprietary Stab-Lok plug-on mounting design. The breaker pushes directly onto the busbar stabs in compatible Federal Pacific load centers without requiring additional mounting hardware.
Can this 40-amp breaker be used on a standard 120V single-pole circuit?
No. The NC0240 is a 2-pole breaker designed for 240V or 120/240V split-phase circuits. It occupies two thin spaces in the panel and cannot be used in place of a single-pole 120V breaker.
Are there known safety concerns with Federal Pacific Stab-Lok electrical panels?
Yes. Independent testing and the Consumer Product Safety Commission have documented that original FPE Stab-Lok breakers have a higher failure-to-trip rate than modern standards allow. While replacement breakers are available to service existing panels, many licensed electricians recommend upgrading the entire load center.
What size wire is required for the lugs on the NC0240 breaker?
The mechanical lugs accept 14 AWG to 6 AWG copper or aluminum wiring. Always consult the National Electrical Code to determine the exact wire gauge required for your 40-amp circuit based on the conductor material, length, and temperature rating.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
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.
Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 6 reviews.
Total 5 star reviews: 6 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Search
Rating
6 reviews
- DBdonnie b.Verified BuyerReviewingFederal Pacific NC015 - 15A 1 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars1/27/26breaker
Had a warranty issue and account manager was AWESOME / Keizer Davids
- JNJoe N.Verified BuyerReviewingFederal Pacific NC020 - 20A 1 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/12/25Purchased four circuit breakers
Was happy with all the service would’ve wished the person would inform me if I would’ve spent $15 more I could’ve got free shipping. That way I could’ve ordered another 20 amp circuit breaker. And got it for free.
- PMPatrick M.ReviewingFederal Pacific NC015 - 15A 1 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars5/31/23great selection and free delivery!!!
great selection and free delivery!!!
- MPMark P.ReviewingFederal Pacific NC015 - 15A 1 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars4/27/23Quick
Provided quick turnaround 👍. Resolved my parents issue 👍
- TTTammy T.ReviewingFederal Pacific NC0240 - 40A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars3/4/22Federal Pacific breakers
I wasn't sure about ordering my particular breakers online because they don't make replica replacements but found the warranty outstanding. The follow-up call as a new customer and the speed with which my order was processed and completed was superior. The price was 1/3 what the ONE local supplier charged.