ABB
1-Pole Combination Arc Fault Circuit Interrupter Circuit Breaker
- Availability:
- Allow 2-3 Days to Ship
- Weight:
- 0.00 LBS
Description
1-Pole Combination Arc Fault Circuit Interrupter Circuit Breaker
ABB Q-Line 1-Pole Combination Arc Fault Circuit Interrupter Circuit Breakers are designed for compatible residential electrical distribution applications requiring arc-fault protection. These AF2 combination breakers are available in 15A and 20A configurations.
ABB identifies the AF2 design as a combination arc-fault breaker that provides protection against both parallel and series arcing conditions. Both models use a plug-in Q-Line configuration with a pigtail neutral connection and a published 10 kAIC interrupting rating. :contentReference[oaicite:0]{index=0}
Product Highlights
- ABB Q-Line combination arc-fault circuit breaker family
- AF2 combination AFCI protection
- 1-pole configuration
- Plug-in mounting
- 15A and 20A options
- Designed to detect parallel and series arcing conditions
- Pigtail neutral connection
- 120V AC / 120/240V AC system ratings
- 10 kAIC interrupting rating
- Non-interchangeable trip style
- Fixed long-time and instantaneous functions
- Suitable for reverse feed
- HACR and SWD special markings
- GSA compliant
Technical Specifications
| Manufacturer | ABB |
|---|---|
| Product Family | Q-Line |
| Product Category | Arc Fault |
| Product Type | Combination Arc Fault Circuit Interrupter Circuit Breaker |
| Breaker Type | AF2 Combination AFCI |
| Mounting | Plug-In |
| Number of Poles | 1 |
| Available Ampere Ratings | 15A, 20A |
| Voltage | 120/240V |
| System Voltage | 120V AC / 120/240V AC |
| Interrupting Capacity | 10 kAIC |
| Neutral Connection | Pigtail |
| Trip Style | Non-Interchangeable |
| Trip Function | LI |
| Long Time | Fixed |
| Instantaneous | Fixed |
| Continuous Current Rated | Standard |
| Reverse Feed | Suitable |
| Special Markings | HACR, SWD |
| GSA Compliance | Yes |
| Available Catalog Numbers | THQL1115AF2, THQL1120AF2 |
Construction Details
ABB Q-Line circuit breakers are compact devices designed for compatible residential electrical distribution applications. The AF2 models in this product group add combination arc-fault protection to the Q-Line plug-in breaker platform.
ABB states that the AF2 combination design protects against both parallel and series arcing conditions. The breakers also feature Q-Line quick-make / quick-break operation and easy-to-identify trip indication. :contentReference[oaicite:1]{index=1}
Both catalog numbers use a pigtail neutral connection and a fixed, non-interchangeable trip configuration. :contentReference[oaicite:2]{index=2}
Available AFCI Circuit Breakers
Catalog Number & Ampere Rating
| Catalog Number | Ampere Rating | Poles | Protection Type | Neutral Connection |
|---|---|---|---|---|
| THQL1115AF2 | 15A | 1 | Combination AFCI | Pigtail |
| THQL1120AF2 | 20A | 1 | Combination AFCI | Pigtail |
Selecting the Correct Breaker
15A Combination AFCI
Select THQL1115AF2 for the 15A, 1-pole Q-Line plug-in combination arc-fault configuration.
20A Combination AFCI
Select THQL1120AF2 for the 20A, 1-pole Q-Line plug-in combination arc-fault configuration.
Model Selection Guide
| Ampere Rating | Catalog Number | Protection Type | Poles | Mounting |
|---|---|---|---|---|
| 15A | THQL1115AF2 | Combination AFCI | 1 | Plug-In |
| 20A | THQL1120AF2 | Combination AFCI | 1 | Plug-In |
Combination Arc-Fault Protection
AF2 is ABB's combination arc-fault breaker configuration. ABB states that this design provides protection against arcing conditions occurring in both parallel and series portions of a circuit. :contentReference[oaicite:3]{index=3}
Arc-fault protection is intended to help detect hazardous electrical arcing associated with conditions such as damaged conductor insulation or compromised wiring.
15A vs. 20A
THQL1115AF2 – 15A
ABB lists THQL1115AF2 with a 15A ampere rating, 1-pole configuration, pigtail neutral, and 10 kAIC interrupting rating. :contentReference[oaicite:4]{index=4}
THQL1120AF2 – 20A
ABB lists THQL1120AF2 with a 20A ampere rating, 1-pole configuration, pigtail neutral, and 10 kAIC interrupting rating. :contentReference[oaicite:5]{index=5}
Pigtail Neutral Connection
Both AF2 breakers use a pigtail neutral connection. The breaker neutral conductor must be connected according to ABB installation requirements and the approved load-center or panelboard configuration.
Verify neutral routing, termination location, conductor requirements, and breaker compatibility before installation.
Electrical Ratings
120V AC
ABB lists these breakers for compatible 120V AC system applications. :contentReference[oaicite:6]{index=6}
120/240V AC
The supplied ABB product details also list a 120/240V AC system-voltage rating. :contentReference[oaicite:7]{index=7}
10 kAIC
Both models carry a published 10 kAIC interrupting rating. :contentReference[oaicite:8]{index=8}
Trip & Breaker Features
Non-Interchangeable Trip
ABB identifies both models with a non-interchangeable trip style.
Fixed LI Functions
The breakers use an LI trip function with fixed long-time and instantaneous characteristics.
Reverse Feed Suitable
ABB identifies both AF2 models as suitable for reverse feed when used in an approved compatible installation. :contentReference[oaicite:9]{index=9}
Special Markings
HACR
ABB lists HACR as a special marking for both AF2 breaker configurations.
SWD
ABB also lists SWD as a special marking for these models. :contentReference[oaicite:10]{index=10}
Common Applications
Residential Branch Circuits
- Compatible residential load centers
- Branch circuit protection
- Residential electrical distribution
- Compatible circuits requiring AFCI protection
- Replacement AFCI breaker applications
Combination Arc-Fault Protection
- Compatible 15A branch circuits
- Compatible 20A branch circuits
- Circuits requiring parallel arc detection
- Circuits requiring series arc detection
- Approved Q-Line plug-in applications
Installation & Selection Considerations
- Confirm the exact catalog number before ordering.
- Select THQL1115AF2 for the 15A configuration.
- Select THQL1120AF2 for the 20A configuration.
- Verify that a 1-pole combination AFCI breaker is required.
- Confirm that Q-Line plug-in mounting is compatible with the exact load center or panelboard.
- Verify that a pigtail-neutral breaker configuration is appropriate for the equipment.
- Confirm system voltage before installation.
- Verify available fault current does not exceed the applicable 10 kAIC breaker rating.
- Confirm conductor material and wire size requirements for the selected breaker.
- Verify neutral conductor routing and termination requirements.
- Follow ABB terminal torque requirements.
- Do not substitute a standard breaker when combination AFCI protection is required.
- Do not substitute a bolt-on breaker where a plug-in configuration is required.
- Confirm AFCI requirements with the applicable electrical code and installation.
- 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 AF2 product details for combination arc-fault protection information, catalog-specific ampere ratings, system voltage, interrupting ratings, neutral connection, trip characteristics, special markings, and additional manufacturer specifications.
Need Help Selecting an AFCI Circuit Breaker?
Our electrical and industrial product specialists can help review your load center, required amperage, AFCI protection requirements, system voltage, neutral configuration, available fault current, and breaker compatibility before you order.
Frequently Asked Questions
What catalog numbers are available?
The available models are THQL1115AF2 and THQL1120AF2.
What is THQL1115AF2?
THQL1115AF2 is the 15A, 1-pole Q-Line plug-in combination AFCI configuration.
What is THQL1120AF2?
THQL1120AF2 is the 20A, 1-pole Q-Line plug-in combination AFCI configuration.
What does AF2 mean?
ABB identifies AF2 as a combination arc-fault breaker designed to protect against both parallel and series arcing conditions.
Are these standard circuit breakers?
No. These models provide combination arc-fault circuit interrupter protection in addition to their breaker function.
What type of neutral connection do they use?
Both models use a pigtail neutral connection.
What is the interrupting rating?
ABB lists a 10 kAIC interrupting rating for both models.
Are these plug-in or bolt-on breakers?
These THQL AF2 models use a plug-in configuration.
Are they suitable for reverse feed?
Yes. ABB identifies both models as suitable for reverse feed when installed in an approved compatible configuration.
What special markings are listed?
ABB lists HACR and SWD special markings for these breakers.
Where can I review ABB's specifications?
The ABB Q-Line 1-Pole AF2 Product Details PDF is linked in the Product Documents section above.
Important Ordering & Installation Notes
- Product: 1-Pole Combination Arc Fault Circuit Interrupter Circuit Breaker.
- THQL1115AF2 – 15A Combination AFCI.
- THQL1120AF2 – 20A Combination AFCI.
- Number of poles: 1.
- Mounting: Plug-In.
- Neutral connection: Pigtail.
- System voltage: 120V AC / 120/240V AC.
- Interrupting capacity: 10 kAIC.
- Trip style: Non-Interchangeable.
- Trip function: LI.
- Long-time function: Fixed.
- Instantaneous function: Fixed.
- Suitable for reverse feed.
- Special markings: HACR and SWD.
- GSA compliant.
- Select THQL1115AF2 when a 15A combination AFCI breaker is required.
- Select THQL1120AF2 when a 20A combination AFCI breaker is required.
- Confirm that combination AFCI protection is required for the branch circuit.
- Verify the exact load center, panelboard, and bus compatibility before ordering.
- Confirm that the equipment supports a pigtail-neutral AFCI breaker configuration.
- Do not substitute a standard breaker where combination arc-fault 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 10 kAIC breaker rating.
- Verify conductor material, wire size, neutral routing, and terminal requirements for the exact installation.
- 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 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.
