ABB
1-Pole Dual Function AFCI/GFCI Circuit Breaker
- Availability:
- Allow 2-3 Days to Ship
- Weight:
- 0.00 LBS
Description
1-Pole Dual Function AFCI/GFCI Circuit Breaker
ABB Q-Line 1-Pole Dual Function AFCI/GFCI Circuit Breakers combine arc-fault and ground-fault protection in a single breaker for compatible residential electrical distribution applications. This product family includes 15A and 20A configurations.
Both models use a 1-pole plug-in configuration. Select the correct breaker according to the required ampere rating and confirm compatibility with the exact load center, panelboard, neutral arrangement, conductor requirements, and electrical installation before ordering.
Product Highlights
- ABB Q-Line dual function circuit breaker family
- Combined AFCI and GFCI protection
- 1-pole configuration
- Plug-in mounting
- 15A and 20A options
- Designed for compatible residential electrical distribution applications
- Provides arc-fault and ground-fault protection in one breaker
- Two catalog-number configurations
- Verify exact equipment compatibility before ordering
Technical Specifications
| Manufacturer | ABB |
|---|---|
| Product Family | Q-Line |
| Product Type | Dual Function AFCI/GFCI Circuit Breaker |
| Protection Type | AFCI / GFCI Dual Function |
| Number of Poles | 1 |
| Mounting | Plug-In |
| Available Ampere Ratings | 15A, 20A |
| Available Catalog Numbers | THQL1115DF, THQL1120DF |
| Primary Application | Compatible Residential Branch Circuit Protection |
Construction Details
These ABB Q-Line breakers combine arc-fault circuit interrupter and ground-fault circuit interrupter protection in one device.
The dual-function design reduces the need for separate AFCI and GFCI protective devices where both functions are required by the application.
Both models use a single-pole plug-in configuration and must be installed only in compatible electrical equipment.
Available Dual Function Breakers
Catalog Number & Ampere Rating
| Catalog Number | Ampere Rating | Poles | Protection Type | Mounting |
|---|---|---|---|---|
| THQL1115DF | 15A | 1 | Dual Function AFCI/GFCI | Plug-In |
| THQL1120DF | 20A | 1 | Dual Function AFCI/GFCI | Plug-In |
Selecting the Correct Breaker
15A Dual Function
Select THQL1115DF for the 15A, 1-pole Q-Line dual function AFCI/GFCI configuration.
20A Dual Function
Select THQL1120DF for the 20A, 1-pole Q-Line dual function AFCI/GFCI configuration.
Model Selection Guide
| Ampere Rating | Catalog Number | Protection Type | Poles | Mounting |
|---|---|---|---|---|
| 15A | THQL1115DF | Dual Function AFCI/GFCI | 1 | Plug-In |
| 20A | THQL1120DF | Dual Function AFCI/GFCI | 1 | Plug-In |
Dual Function Protection
AFCI Protection
The breaker provides arc-fault protection for compatible branch circuits where AFCI protection is required.
GFCI Protection
The same breaker also provides ground-fault protection for compatible circuits requiring GFCI functionality.
15A vs. 20A
THQL1115DF – 15A
Select THQL1115DF when the branch circuit requires a 15A dual function AFCI/GFCI breaker.
THQL1120DF – 20A
Select THQL1120DF when the branch circuit requires a 20A dual function AFCI/GFCI breaker.
Plug-In Mounting
Both THQL dual function breakers use a plug-in mounting configuration for installation in compatible Q-Line electrical equipment.
Do not substitute a bolt-on breaker or an unrelated breaker family even when the pole count and ampere rating appear similar.
Common Applications
Residential Branch Circuits
- Compatible residential load centers
- Branch circuit protection
- Residential electrical distribution
- Replacement dual-function breaker applications
- Approved Q-Line plug-in installations
AFCI / GFCI Applications
- Circuits requiring AFCI protection
- Circuits requiring GFCI protection
- Applications requiring both protection functions
- 15A protected branch circuits
- 20A protected branch circuits
Installation & Selection Considerations
- Confirm the exact catalog number before ordering.
- Select THQL1115DF for the 15A configuration.
- Select THQL1120DF for the 20A configuration.
- Verify that a 1-pole dual function AFCI/GFCI breaker is required.
- Confirm that Q-Line plug-in mounting is compatible with the exact load center or panelboard.
- Verify the required AFCI and GFCI protection for the circuit.
- Confirm system voltage before installation.
- Verify available fault current against the applicable breaker interrupting rating.
- Confirm conductor material and wire size requirements for the selected breaker.
- Verify neutral conductor routing and termination requirements.
- Follow ABB terminal and torque requirements.
- Do not substitute a standard breaker where dual function protection is required.
- Do not substitute a bolt-on breaker where a plug-in configuration is required.
- Maintain applicable electrical working clearances.
- De-energize equipment before installation or service.
- Verify absence of voltage before working inside electrical equipment.
- Installation should be performed by qualified electrical personnel.
- Follow current ABB instructions and applicable electrical codes.
Product Documents
Review the ABB Q-Line 1-Pole Dual Function breaker documentation for AFCI/GFCI protection information, catalog-specific ampere ratings, electrical characteristics, breaker construction, conductor requirements, and additional manufacturer information.
Need Help Selecting a Dual Function Circuit Breaker?
Our electrical and industrial product specialists can help review your load center, required amperage, AFCI and GFCI protection requirements, conductor requirements, and breaker compatibility before you order.
Frequently Asked Questions
What catalog numbers are available?
The available models are THQL1115DF and THQL1120DF.
What is THQL1115DF?
THQL1115DF is the 15A, 1-pole dual function AFCI/GFCI configuration.
What is THQL1120DF?
THQL1120DF is the 20A, 1-pole dual function AFCI/GFCI configuration.
What does dual function mean?
Dual function means the breaker combines AFCI and GFCI protection in a single circuit breaker.
Are these AFCI breakers?
Yes. Both models provide AFCI protection as part of their dual-function design.
Are these GFCI breakers?
Yes. Both models also provide GFCI protection.
Are these plug-in or bolt-on breakers?
These THQL dual function breakers use a plug-in mounting configuration.
Can I replace a standard breaker with one of these?
Only when the electrical equipment is compatible and the circuit requirements call for the appropriate dual function breaker. Confirm the exact application before installation.
Where can I review the ABB product documentation?
The ABB Q-Line 1-Pole Dual Function Breaker Product Details PDF is linked in the Product Documents section above.
Important Ordering & Installation Notes
- Product: 1-Pole Dual Function AFCI/GFCI Circuit Breaker.
- THQL1115DF – 15A Dual Function AFCI/GFCI.
- THQL1120DF – 20A Dual Function AFCI/GFCI.
- Protection type: Dual Function AFCI/GFCI.
- Number of poles: 1.
- Mounting: Plug-In.
- Select THQL1115DF when a 15A dual function breaker is required.
- Select THQL1120DF when a 20A dual function breaker is required.
- Confirm that both AFCI and GFCI protection are required for the branch circuit.
- Verify the exact load center, panelboard, and bus compatibility before ordering.
- Confirm neutral connection and conductor requirements for the exact installation.
- Do not substitute a standard breaker where dual function AFCI/GFCI protection is required.
- Do not substitute a bolt-on breaker where a plug-in breaker is required.
- Verify the system voltage before installation.
- Confirm the available fault current does not exceed the applicable breaker interrupting rating.
- Verify conductor material, wire size, neutral routing, and terminal requirements.
- Follow ABB terminal torque specifications for the selected breaker.
- Do not exceed the ampere, voltage, or interrupting ratings of the breaker or connected equipment.
- Confirm AFCI and GFCI requirements with current applicable electrical codes before installation.
- Maintain required electrical working clearances around the load center or panelboard.
- De-energize equipment before installing, removing, or servicing the circuit breaker.
- Verify absence of voltage before working inside electrical equipment.
- Installation and service should be performed by qualified electrical personnel.
- Follow current ABB installation instructions and all applicable local and national electrical codes.
