Skip to main content

Eaton / Westinghouse FB3020PF Molded Case Circuit Breaker

  • 20A
  • 3 Pole
  • Bolt-On
Eaton / Westinghouse FB3020PF
Molded Case Circuit Breaker
Brand Eaton / Westinghouse
SKU FB3020PF
Select Item Condition
Earn 441 SuperPoints
  • 20A
  • 3 Pole
  • Bolt-On

Quantity

Bulk Pricing
Send your parts list for a volume quote.

Eaton / Westinghouse FB3020PF - 20A 3 Pole Molded Case Circuit Breaker

Re-Certified

$441.81 No Stock

Quantity

Similar Items

Description

Maintaining older electrical systems is straightforward with the Eaton FB3020PF, a 20A, 3-pole molded case circuit breaker. This legacy F-frame component is engineered to mount into vintage Westinghouse CDP and FDP panelboards, ensuring exact compatibility. It features reliable thermal-magnetic trip technology, load side lugs, and a 14kAIC rating at 480VAC. While the FDB3020 is the modern replacement, utilizing this exact match avoids the need for additional mounting adapter kits.

Specifications

Key specifications
Brand Eaton / Westinghouse
Part Number FB3020PF-R
Series FB
Amperage 20A
Poles 3
Mounting Style Bolt-On
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 3
AIC Rating 18kA @ 240VAC, 14kA @ 480VAC, 14kA @ 600VAC, 10kA @ 250VDC
Fit and installation
Terminal Type Lugs
For Use With Westinghouse CDP Panelboards, FDP Panelboards, Motor Control Centers
Wire Gauge 14 AWG - 1/0 AWG (Cu/Al)
Max Wire 1/0 AWG
Min Wire 14 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch
Accessories Load Side Lug
Standards NEMA AB-1, UL 489, CSA C22.2 No. 5
Approval CSA, UL
Temp Rating 40C

Product FAQs

5 answers
What panelboards are compatible with the FB3020PF circuit breaker?

This bolt-on circuit breaker is designed for use in legacy Westinghouse CDP and FDP panelboards, as well as compatible motor control centers.

How is the FB3020PF installed in a panelboard?

This is a bolt-on breaker that connects directly to the panelboard bus on the line side. Field wiring is terminated on the load side using mechanical lugs that accept 14 AWG to 1/0 AWG copper or aluminum conductors.

Is the Westinghouse FB series still actively manufactured?

No, the legacy FB series is obsolete. Eaton has replaced these with current F-frame molded case circuit breakers, though exact replacements depend on your specific panelboard requirements.

Can the FB3020PF be used in DC voltage applications?

Yes, this thermal-magnetic breaker is rated for up to 250VDC with a 10kA interrupting capacity, in addition to its standard AC voltage ratings.

Will this breaker fit in a standard residential load center?

No, the FB3020PF is an industrial F-frame molded case circuit breaker designed specifically for Westinghouse CDP and FDP distribution panelboards. It is not compatible with standard residential load centers.

SuperClub

Join free. Get 500 SuperPoints.

Earn points on eligible purchases and redeem them at checkout.

100 SuperPoints = $1 off.

Warranties

60-Day Warranty

Your purchase includes 60 days of SuperBreakers warranty coverage.

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.

Read our full shipping policy

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

5.0
Rated 5.0 out of 5 stars
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
Rating
Ratings
2 reviews
  • SD
    Sal D.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer FB3125 - 125A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/16/26
    Breakers

    Really happy with the breakers and with the quickness they were delivered

  • CB
    Christopher B.
    Flag of United States
    Reviewing
    Eaton / Cutler-Hammer FB3015L - 15A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    11/8/20
    AWESOME JOB

    Quick response and delivery. Exactly what I wanted.