ABB / General ElectricTEYL1020B
ABB / General Electric THHQL1120 Molded Case Circuit Breaker
- 20A
- 1 Pole
- Plug-On
ABB / General Electric
THHQL1120
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
THHQL1120
Quantity
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ABB / General Electric THHQL1120 - 20A 1 Pole Molded Case Circuit Breaker
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Description
Rated for 20 amps, this single-pole Q-Line component delivers dependable thermal-magnetic protection. It features a quick-make mechanism to ensure reliable operation. The plug-on design allows for rapid installation into compatible enclosures. It fits into GE PowerMark Gold load centers and ABB ReliaHome distribution panels. With a 22kAIC interrupting rating, it provides superior fault protection compared to standard 10kA models. The unit is SWD and HACR rated for lighting and HVAC loads.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | THHQL |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 22kA @ 120/240VAC |
| Frame Type | THQL |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | GE PowerMark Gold Load Centers, GE A-Series Panelboards, ABB ReliaHome Load Centers |
| Wire Gauge | 14-8 AWG (Cu), 12-8 AWG (Al) |
| Max Wire | 8 AWG |
| Min Wire | 14 AWG (Cu) / 12 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Auxiliary Switch, Padlock Attachment |
|---|---|
| Accessories | None included |
| Standards | CSA C22.2 No. 5, HACR, SWD, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, SWD Rated |
Product FAQs
6 answersWhat panels are compatible with the THHQL1120 circuit breaker?
This 1-inch wide plug-on breaker is designed for use in GE PowerMark Gold load centers, GE A-Series panelboards, and ABB ReliaHome load centers. It requires one full standard slot.
What is the difference between the THQL1120 and the THHQL1120?
Both are 20-amp, 1-pole Q-Line breakers with the same 1-inch physical footprint. The difference is the interrupting rating. The standard THQL1120 is rated at 10kAIC, while the THHQL1120 is a high-interrupting version rated at 22kAIC for systems with higher available fault current.
Can the THHQL1120 be used for switching lighting loads?
Yes. This breaker carries an SWD (Switching Duty) rating, meaning it is approved for switching 120V fluorescent lighting circuits on and off on a regular basis.
Is the THHQL1120 rated for HVAC equipment?
Yes. It is HACR rated, making it suitable for group motor applications like heating, air conditioning, and refrigeration equipment that require this specific breaker designation.
What are the recommended lug torque specifications for the THHQL1120?
The manufacturer specifies a tightening torque of 35 in-lb for 10 AWG wire and 40 in-lb for 8 AWG wire.
Can this breaker be used in DC applications?
Yes. In addition to its AC ratings, the THHQL1120 is rated for up to 48VDC, allowing it to be used in low-voltage direct current control circuits.
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Reviews
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Customers rate this product 5.0 out of 5 based on 1 review.
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Rating
1 review
- TGTim G.ReviewingABB / General Electric THHQL32020 - 20A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars2/17/22great service!
great service!