Overview
Overview of Eaton CHFN120DF 20A Dual Function AFCI/GFCI Circuit Breaker | New
The Eaton CHFN120DF 20A Dual Function AFCI/GFCI Circuit Breaker is a compact residential safety breaker that offers both ground-fault and arc-fault protection. It helps shield branch circuits from shock and fire dangers while making installation and circuit protection easier. It is made for Eaton CH load centers. It is a useful option for code-conscious projects and contemporary house electrical improvements due to its 20A, 1-pole, 120V design and 10 kAIC interrupt rating.
Key Features of Eaton CHFN120DF 20A Dual Function Circuit Breaker
• Dual function protection combines AFCI and GFCI safeguards in a single breaker for broader circuit safety.
• 20-amp, 1-pole, 120V rating supports standard branch circuit applications.
• 10 kAIC interrupt rating provides strong fault-handling capacity for residential load centers.
• Pigtail neutral connection simplifies wiring in compatible Eaton CH load centers.
• Plug-on mounting is designed for Eaton Type CH load center compatibility.
• UL listed and HACR rated for recognized safety and HVAC-compatible use.
• Trip flag indicator helps differentiate a breaker trip from a manual shutoff.
• Thermal-magnetic trip characteristics are designed to reduce nuisance tripping while responding quickly to severe faults.
Benefits of Eaton CHFN120DF 20A Dual Function Circuit Breaker
🗹 Improves home electrical safety by protecting against both arc faults and ground faults on the same circuit.
🗹 Simplifies protection by reducing the need for multiple devices and making troubleshooting more straightforward.
🗹 Helps meet modern residential safety expectations and code-driven installation requirements.
🗹 Saves space in the panel by combining two critical protections into one breaker.
🗹 Reduces nuisance callbacks due to Eaton’s trip design and trip flag identification.
🗹 Makes installation and maintenance easier for electricians working with Eaton CH load centers.
Specifications
Specifications for Eaton CHFN120DF 20A Dual Function AFCI/GFCI Circuit Breaker | New
| Manufacturer | Eaton |
| Manufacturer Part Number | CHFN120DF |
| Product Name | Eaton CHFN120DF 20A Dual Function AFCI/GFCI Circuit Breaker |
| Product Type | Dual function arc-fault / ground-fault circuit breaker |
| Series | Type CH |
| Poles | 1 |
| Amperage Rating | 20 A |
| Voltage Rating | 120/240 VAC |
| Interrupting Rating | 10 kAIC |
| Mounting Type | Plug-on |
| Connection Type | Pigtail neutral |
| Phase | Single phase |
| Breaker Function | AFCI and GFCI combined protection |
| Protection Type | Arc fault and ground fault protection |
| Compatibility | Eaton Type CH load centers |
| Safety Listing | UL listed |
| Certifications | HACR rated |
| Special Features | Dual function protection, single point of reset, reduced nuisance tripping |
| Dimensions | 3.5 in H x 0.75 in W x 1.2 in D |
| Weight | 0.5 lb |
| Trip Indication | LED trip indicator on supported listings |
| Use Case | Residential branch circuit protection |
User Guides
Frequently Asked Questions
Eaton CHFN120DF 20A Dual Function AFCI/GFCI Circuit Breaker
Frequently Asked Questions (FAQ's)
What does a dual function breaker do?
A dual function breaker combines Arc Fault Circuit Interrupter (AFCI) and Ground Fault Circuit Interrupter (GFCI) protection in one device, safeguarding against both electrical fires and shock hazards.
Where can I use the Eaton CHFN120DF breaker?
It is ideal for residential circuits such as kitchens, bathrooms, bedrooms and living areas where both AFCI and GFCI protection are required.
Is this breaker NEC compliant?
Yes, the CHFN120DF meets current National Electrical Code (NEC) requirements for both arc fault and ground fault protection.
What panel is this breaker compatible with?
This breaker is specifically designed for Eaton Type CH load centers and should not be used with other panel types.
What is the amperage rating?
It is rated at 20 amps, making it suitable for standard branch circuits.
Is it a single-pole or double-pole breaker?
It is a single-pole breaker, typically used for 120V circuits.
Does it replace both AFCI and GFCI breakers?
Yes, it consolidates both protections into one unit, eliminating the need for separate breakers.
What is plug-on neutral?
Plug-on neutral technology allows the breaker to connect directly to the neutral bar without a pigtail wire, simplifying installation.
How does it detect arc faults?
It continuously monitors electrical current patterns and trips when it detects irregular arcs that could lead to fires.
Does it protect against electric shock?
Yes, the GFCI function detects ground faults and quickly shuts off power to prevent electrical shock.
Is it suitable for outdoor use?
The breaker itself is used within a panel; outdoor suitability depends on the enclosure rating of the panel.
Can homeowners install this breaker?
Installation should be handled by a licensed electrician to ensure safety and code compliance.
Does it have a test button?
Yes, it includes a built-in test button to verify proper operation of both AFCI and GFCI functions.
How do I reset the breaker?
After a trip, switch the breaker fully to the “off” position, then back to “on” once the issue is resolved.
What causes it to trip?
It may trip due to arc faults, ground faults, overloads, or short circuits.
Is it reusable after tripping?
Yes, the breaker can be reset and reused unless it has been damaged.
Does it save panel space?
Yes, combining two protective functions into one breaker helps conserve space in the electrical panel.
Is it reliable for long-term use?
Yes, Eaton breakers are engineered for durability and consistent long-term performance.
Can it be used in commercial settings?
Yes, it can be used in light commercial applications where code permits.
Is it worth upgrading to this breaker?
Absolutely. It enhances safety, ensures code compliance and simplifies installation—making it a smart upgrade for modern electrical systems.