Free Shipping Over $99
Federal Pacific NFJ631175 Molded Case Circuit Breaker
- 175A
- 3 Pole
- Bolt-On
Federal Pacific
NFJ631175
Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
NFJ631175
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Federal Pacific NFJ631175 - 175A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Similar Items
200A 3 Pole Molded Case Circuit Breaker
200A 3 Pole Molded Case Circuit Breaker
150A 3 Pole Molded Case Circuit Breaker
Description
Part of the legacy N-Frame series, this Federal Pacific 175A MCCB is designed to seamlessly integrate into existing FPE panelboards. The 3-pole bolt-on breaker eliminates the need for retrofit adapters, ensuring a precise fit for commercial electrical upgrades. Delivering 18 kAIC interrupting capacity at 480V, it utilizes fixed thermal and magnetic trip elements to safeguard circuits against overloads and short circuits while supporting 4 AWG to 300 kcmil wire.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | NFJ631175-R |
| Series | NFJ |
| Amperage | 175A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC |
| Frame Type | NFJ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Federal Pacific Panelboards |
| Wire Gauge | 4 AWG - 300 kcmil |
| Max Wire | 300 kcmil |
| 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, Auxiliary Switch |
|---|---|
| Accessories | Lugs |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip |
Product FAQs
5 answersWhat panelboards are compatible with the Federal Pacific NFJ631175?
This N-Frame circuit breaker is designed for use in legacy Federal Pacific panelboards that accept bolt-on NFJ frame breakers. It provides an exact fit without requiring retrofit adapters.
How does the NFJ631175 connect to the panelboard?
This breaker features a bolt-on connection type, allowing it to be securely fastened directly to the busbars of compatible Federal Pacific commercial and industrial panelboards.
Are the trip settings on the NFJ631175 adjustable?
No, this breaker features a thermal magnetic trip unit with fixed thermal and fixed magnetic settings. It provides standard long-time and instantaneous (LI) protection without adjustable dials.
Is the Federal Pacific NFJ631175 still actively manufactured?
Federal Pacific is no longer in business, making this a legacy component. It is typically sourced to maintain existing commercial and industrial distribution systems without the need for a complete panelboard upgrade.
Does the NFJ631175 provide ground fault or arc fault protection?
No, this is a standard thermal magnetic molded case circuit breaker. It provides only long-time and instantaneous overcurrent and short-circuit protection, and does not include GFCI or AFCI capabilities.
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 4.7 out of 5 based on 3 reviews.
Search
Rating
3 reviews
- ESEvan S.Verified BuyerReviewingFederal Pacific NFJ631225 - 225A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/11/26Review
Works great!
- RCRalph C.Verified BuyerReviewingFederal Pacific NFJ631150 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars11/10/25Federal Pacific NF J631150 Breaker
Surprised they had it!
Great shape, well packaged. Fast shipping
- KPKeith P.ReviewingFederal Pacific NFJ631200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars12/15/20Quick and easy ordering
Quick and easy ordering