Eaton / Westinghouse FB3050PF Molded Case Circuit Breaker
- 50A
- 3 Pole
- Bolt-On
Eaton / Westinghouse
FB3050PF
Molded Case Circuit Breaker
Brand
Eaton / Westinghouse
SKU
FB3050PF
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Eaton / Westinghouse FB3050PF - 50A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Similar Items
50A 3 Pole Molded Case Circuit Breaker
60A 3 Pole Molded Case Circuit Breaker
40A 3 Pole Molded Case Circuit Breaker
Description
Engineered for heavy-duty applications, the FB3050PF is a 50A molded case circuit breaker that supports commercial and industrial power systems. It provides an effective solution for facilities utilizing older electrical infrastructure. This unit mounts securely into legacy Westinghouse CDP and FDP panelboards, as well as motor control centers. It functions as an exact replacement, avoiding the extra hardware required by FDB3050 substitutes. The breaker delivers 14 kAIC at 480VAC.Specifications
| Brand | Eaton / Westinghouse |
|---|---|
| Part Number | FB3050PF-R |
| Series | FB |
| Amperage | 50A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 14kA @ 480VAC, 14kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | FB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Westinghouse CDP Panelboards, FDP Panelboards, Motor Control Centers |
| Wire Gauge | 14-2 AWG (Cu/Al) |
| 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, Alarm Switch |
|---|---|
| Accessories | Plug-In Mounting Hardware |
| Standards | NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
Product FAQs
6 answersWhich panelboards are compatible with the FB3050PF circuit breaker?
This breaker is designed to mount securely into legacy Westinghouse CDP and FDP panelboards, as well as compatible motor control centers.
What wire sizes are accepted by the load side lugs on this breaker?
The load side lugs accept copper or aluminum wire ranging from 14 AWG to 2 AWG.
Can the FB3050PF be used in DC electrical systems?
Yes, this breaker is rated for use in DC applications up to 250VDC with an interrupting capacity of 10kAIC.
How does the FB3050PF connect to the panelboard bus?
It features a bolt-on connection for secure mounting to the line side panelboard bus, with standard lugs provided on the load side for wire termination.
Is the FB3050PF a direct replacement for older Westinghouse FB frame breakers?
Yes, it serves as an exact replacement for legacy Westinghouse 50A, 3-pole FB frame breakers. This allows you to maintain existing CDP or FDP panels without requiring the extra retrofit hardware needed for FDB substitutes.
What type of trip unit is installed in the FB3050PF?
It is equipped with a fixed thermal magnetic trip unit that provides both long-time and instantaneous (LI) protection functions.
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 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
Search
Rating
2 reviews
- SDSal D.Verified BuyerReviewingEaton / Cutler-Hammer FB3125 - 125A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/16/26Breakers
Really happy with the breakers and with the quickness they were delivered
- CBChristopher B.ReviewingEaton / Cutler-Hammer FB3015L - 15A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/8/20AWESOME JOB
Quick response and delivery. Exactly what I wanted.