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Eaton / Cutler-Hammer CH120CAF AFCI Miniature Circuit Breaker
- 20A
- 1 Pole
- Plug-On
Eaton / Cutler-Hammer
CH120CAF
AFCI Miniature Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
CH120CAF
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Eaton / Cutler-Hammer CH120CAF - 20A AFCI Miniature Circuit Breaker
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Eaton / Cutler-HammerCHFCAF120
20A AFCI Miniature Circuit Breaker
Description
Part of the Cutler-Hammer CH family, the CH120CAF delivers combination arc fault protection for 20-amp residential circuits. By detecting both series and parallel arcs, it provides enhanced fire prevention. The breaker mounts into standard Eaton CH load centers and includes a pigtail neutral wire. Rated for 10 kAIC at 120/240V, this device complies with UL 1699. It can be substituted with the CHFN120AF when upgrading. This 3/4-inch breaker is HACR rated for safe operation with HVAC loads.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CH120CAF |
| Series | CH |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | CH |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | Eaton CH Load Centers |
| Wire Gauge | (1) 14-8 AWG (Cu/Al), (2) 14-10 AWG (Cu/Al) |
| Max Wire | 8 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Special Classification | AFCI |
|---|---|
| Available Options | Handle Lock, Padlock Attachment |
| Accessories | Pigtail Neutral |
| Standards | UL 1699, UL 489, HACR |
| Approval | CSA, UL |
| Temp Rating | 60C to 75C |
| Construction Features | HACR Rated |
Product FAQs
6 answersWhat panels are compatible with the CH120CAF?
This breaker is designed exclusively for Eaton and Cutler-Hammer Type CH load centers. It requires a 3/4-inch space per pole and features a plug-on mounting design.
Does the CH120CAF require a plug-on neutral panel?
No. The CH120CAF features a pigtail neutral connection. The attached white wire must be routed and connected directly to the panel neutral bar. This makes it compatible with both legacy and modern CH load centers, regardless of whether they have a plug-on neutral chassis.
Is the CH120CAF rated for dual wire termination?
Yes, the box lugs are designed to accept either a single conductor from 14 to 8 AWG or two conductors from 14 to 10 AWG. Both copper and aluminum wires are supported.
What does combination arc fault protection mean for this breaker?
A combination arc fault circuit interrupter (CAFCI) detects both series arcs, which often occur in frayed appliance cords, and parallel arcs, which typically happen when wire insulation is pierced. This provides comprehensive fire prevention compared to older branch-feeder AFCIs.
How do I use the diagnostic LED on the CH120CAF?
After a trip, turn the breaker back on or hold the TEST button to view the LED blink code. One blink indicates a series arc, two blinks indicate a parallel arc, and six blinks indicate a self-test failure. This allows electricians to pinpoint the exact cause of the circuit fault.
What is the direct replacement for the CH120CAF?
The CH120CAF is an older generation breaker. It can be directly substituted with the newer CHFN120AF model, which provides the exact same 20-amp combination arc fault protection and pigtail neutral connection.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 74 reviews.
Total 5 star reviews: 72 Total 4 star reviews: 2 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Reviews Summary
Generated by AI from 100 most recent customer reviews
Last updated 8/5/25
Customers say these electrical breakers are readily available when hard to find elsewhere. Many reviews mention fast shipping and accurate order fulfillment. Common feedback includes competitive pricing and proper packaging. Reviews note the products fit correctly and match specifications. While most highlight quick delivery times, some mention occasional supply delays. The ordering process receives praise for its simplicity.
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Rating
74 reviews
- JGJason G.Verified BuyerReviewingEaton / Cutler-Hammer CH220GFI - 20A GFCI Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/24/26It was as advertised
It was delivered on time and works.
- LGlarry g.Verified BuyerReviewingEaton / Cutler-Hammer CH335 - 35A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars7/20/26good
Great part quick shipping
- PLPhid L.Verified BuyerReviewingEaton / Cutler-Hammer CH230GFI - 30A GFCI Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars7/7/26EFFICIENT
BREAKER ARRIVED QUICKLY. WELL PACKAGED FOR PROTECTION.
- CSChristine S.Verified BuyerReviewingEaton / Cutler-Hammer CH2100-LONG - 100A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars5/18/26Got a great refurbished breaker - saved a $6500 Service Replacement
When our main breaker frizzed out, the option we were presented with was replacing the entire panel and service due to the type and part - no longer produced for replacement parts. It would be a $6500 replacement.
We'll likely have to do it at some point but, for now, the replacement breaker we were able to source from Superbreakers (with a $25 warranty) was $5900 less expensive. installation ran a few hundred dollars and the tech said the part looked to be in excellent condition and was prepped for install as he would have hoped.
Very thankful for SuperBreakers!
- MKMichael K.Verified BuyerReviewingEaton / Cutler-Hammer CH330 - 30A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars4/22/26Happy Customer
Arrived as described and in the timeframe