ABB
2-Pole Q-Line Bolt-On Miniature Circuit Breakers
- Availability:
- Allow 2-3 Days to Ship
- Weight:
- 0.00 LBS
Description
2-Pole Q-Line Bolt-On Miniature Circuit Breakers
ABB Q-Line 2-Pole Bolt-On Miniature Circuit Breakers provide dependable circuit protection for compatible electrical distribution and panelboard applications. Choose the appropriate breaker based on the required ampere rating and protection type.
Product Highlights
- ABB Q-Line circuit breaker family
- 2-pole configuration
- Bolt-on mounting
- Available from 15A through 100A
- Standard 30A breaker available
- 30A model with GFCI protection available
- Multiple catalog-number configurations
- Designed for compatible electrical distribution equipment
Available Circuit Breakers
Catalog Number & Ampere Rating
| Catalog Number | Ampere Rating | Poles | Protection | Mounting |
|---|---|---|---|---|
| THQB2115 | 15A | 2 | Standard | Bolt-On |
| THQB2120 | 20A | 2 | Standard | Bolt-On |
| THQB2125 | 25A | 2 | Standard | Bolt-On |
| THQB2130 | 30A | 2 | Standard | Bolt-On |
| THQB2130GFT | 30A | 2 | GFCI Protection | Bolt-On |
| THQB2135 | 35A | 2 | Standard | Bolt-On |
| THQB2140 | 40A | 2 | Standard | Bolt-On |
| THQB2145 | 45A | 2 | Standard | Bolt-On |
| THQB2150 | 50A | 2 | Standard | Bolt-On |
| THQB2160 | 60A | 2 | Standard | Bolt-On |
| THQB2180 | 80A | 2 | Standard | Bolt-On |
| THQB21100 | 100A | 2 | Standard | Bolt-On |
Selecting the Correct Breaker
15A
THQB2115 – 15A, 2-pole bolt-on breaker.
20A
THQB2120 – 20A, 2-pole bolt-on breaker.
25A
THQB2125 – 25A, 2-pole bolt-on breaker.
30A
THQB2130 – 30A, 2-pole bolt-on breaker.
30A w/ GFCI Protection
THQB2130GFT – 30A, 2-pole bolt-on breaker with GFCI protection.
35A
THQB2135 – 35A, 2-pole bolt-on breaker.
40A
THQB2140 – 40A, 2-pole bolt-on breaker.
45A
THQB2145 – 45A, 2-pole bolt-on breaker.
50A
THQB2150 – 50A, 2-pole bolt-on breaker.
60A
THQB2160 – 60A, 2-pole bolt-on breaker.
80A
THQB2180 – 80A, 2-pole bolt-on breaker.
100A
THQB21100 – 100A, 2-pole bolt-on breaker.
Standard vs. GFCI Protection
Standard Breakers
THQB2115, THQB2120, THQB2125, THQB2130, THQB2135, THQB2140, THQB2145, THQB2150, THQB2160, THQB2180, and THQB21100 are the standard breaker configurations in this product group.
GFCI Protection
THQB2130GFT is the 30A configuration with GFCI protection.
Model Selection Guide
| Ampere Rating | Catalog Number | Protection Type | Poles | Mounting |
|---|---|---|---|---|
| 15A | THQB2115 | Standard | 2 | Bolt-On |
| 20A | THQB2120 | Standard | 2 | Bolt-On |
| 25A | THQB2125 | Standard | 2 | Bolt-On |
| 30A | THQB2130 | Standard | 2 | Bolt-On |
| 30A | THQB2130GFT | GFCI Protection | 2 | Bolt-On |
| 35A | THQB2135 | Standard | 2 | Bolt-On |
| 40A | THQB2140 | Standard | 2 | Bolt-On |
| 45A | THQB2145 | Standard | 2 | Bolt-On |
| 50A | THQB2150 | Standard | 2 | Bolt-On |
| 60A | THQB2160 | Standard | 2 | Bolt-On |
| 80A | THQB2180 | Standard | 2 | Bolt-On |
| 100A | THQB21100 | Standard | 2 | Bolt-On |
Installation & Selection Considerations
- Select the exact catalog number required for the application.
- Verify that a 2-pole Q-Line bolt-on breaker is required.
- Select the correct ampere rating.
- For a standard 30A breaker, select THQB2130.
- For a 30A breaker with GFCI protection, select THQB2130GFT.
- Confirm compatibility with the electrical equipment before ordering.
- Verify electrical ratings and installation requirements.
- Follow current ABB instructions and applicable electrical codes.
- Installation should be performed by qualified electrical personnel.
Product Documents
Review the ABB Q-Line 2-Pole breaker documentation for additional product specifications and manufacturer information.
Need Help Selecting a Circuit Breaker?
Our electrical and industrial product specialists can help you select the correct Q-Line breaker based on amperage, protection requirements, and equipment compatibility.
Frequently Asked Questions
What ampere ratings are available?
Available configurations include 15A, 20A, 25A, 30A, 30A with GFCI protection, 35A, 40A, 45A, 50A, 60A, 80A, and 100A.
What is the standard 30A catalog number?
The standard 30A breaker is THQB2130.
What is the 30A GFCI catalog number?
The 30A breaker with GFCI protection is THQB2130GFT.
What is THQB2115?
THQB2115 is the 15A configuration.
What is THQB2120?
THQB2120 is the 20A configuration.
What is THQB2125?
THQB2125 is the 25A configuration.
What is THQB2130?
THQB2130 is the standard 30A configuration.
What is THQB2130GFT?
THQB2130GFT is the 30A configuration with GFCI protection.
What is THQB2135?
THQB2135 is the 35A configuration.
What is THQB2140?
THQB2140 is the 40A configuration.
What is THQB2145?
THQB2145 is the 45A configuration.
What is THQB2150?
THQB2150 is the 50A configuration.
What is THQB2160?
THQB2160 is the 60A configuration.
What is THQB2180?
THQB2180 is the 80A configuration.
What is THQB21100?
THQB21100 is the 100A configuration.
Where can I review the product documentation?
The ABB Q-Line 2-Pole Breaker Product Details PDF is linked in the Product Documents section above.
Important Ordering & Installation Notes
- Select the exact ampere rating required for the circuit and connected equipment.
- Use THQB2130 for the standard 30A configuration.
- Use THQB2130GFT when a 30A breaker with GFCI protection is required.
- Confirm the exact panelboard, load center, and bus compatibility before ordering.
- Do not substitute a plug-in breaker where a bolt-on breaker is required.
- Verify system voltage before installation.
- Confirm the available fault current does not exceed the applicable breaker interrupting rating.
- Verify conductor material and wire size requirements for the exact catalog number selected.
- Confirm terminal and conductor requirements before 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 GFCI protection requirements with the applicable electrical code and equipment application.
- Maintain required electrical working clearances around the panelboard or distribution equipment.
- De-energize equipment before installing, removing, or servicing the circuit breaker.
- Verify absence of voltage before working inside energized electrical equipment or panelboards.
- Installation and service should be performed by qualified electrical personnel.
- Follow current ABB installation instructions and all applicable local and national electrical codes.
