ABB / General ElectricTHHQB2120
ABB / General Electric THHQC22020WL Miniature Circuit Breaker
- 20A
- 2 Pole
- DIN Rail
ABB / General Electric
THHQC22020WL
Miniature Circuit Breaker
Brand
ABB / General Electric
SKU
THHQC22020WL
Quantity
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ABB / General Electric THHQC22020WL - 20A 2 Pole Miniature Circuit Breaker
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Description
Part of the Q-Line family, this 20A miniature circuit breaker provides reliable thermal-magnetic protection for commercial and industrial applications. Featuring factory-installed line and load lugs, the unit mounts onto standard DIN rails or base-mounts inside OEM panels and enclosures. It accepts 14-8 AWG copper or 12-8 AWG aluminum wire for flexible installation. Rated for 22kAIC at 120/240VAC, the breaker includes a common trip mechanism and is HACR rated for HVAC equipment.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | THHQC22020WL |
| Series | THHQC |
| Amperage | 20A |
| Poles | 2 |
| Mounting Style | DIN Rail |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 22kA @ 120/240VAC |
| Terminal Type | Box Lugs |
|---|---|
| For Use With | OEM Panels, Enclosures, DIN Rail Adapters |
| 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 | Line and Load Lugs (Factory Installed) |
| Standards | CSA C22.2 No. 5, HACR, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 10C to 50C |
| Construction Features | HACR Rated, High Interrupting Capacity, Quick-Make/Quick-Break, Common Trip, Non-Interchangeable Trip, Visual Trip Indicator |
Product FAQs
6 answersWhat does the WL suffix indicate on the THHQC22020WL?
The WL suffix means the breaker includes factory-installed line and load wire lugs. This feed-thru configuration allows for direct cable connections without needing additional terminal accessories.
How do you mount the THHQC22020WL breaker?
This Q-Line breaker is designed for surface mounting or installation on a standard 35mm DIN rail. It is typically used in OEM panels, control enclosures, and applications requiring a lug-to-lug connection.
Will the THHQC22020WL fit in a standard GE residential load center?
No. The THHQC series uses a feed-thru design for DIN rail or surface mounting. It is not a plug-on or bolt-on breaker and will not fit in standard GE load centers, which require THQL or THQB style breakers.
Why might my THHQC22020WL arrive with ABB branding instead of GE?
ABB acquired GE Industrial Solutions in 2018. As a result, Q-Line breakers like the THHQC22020WL may feature either ABB or General Electric labeling. The physical dimensions, specifications, and mounting remain exactly the same.
Is the THHQC22020WL suitable for HVAC applications?
Yes, this breaker is HACR rated, making it certified for use with heating, air conditioning, and refrigeration equipment that requires specialized overcurrent protection.
Does the THHQC22020WL feature a common trip mechanism?
Yes, this two-pole breaker includes an internal common trip bar. If an overload or short circuit occurs on either pole, both poles will trip simultaneously to safely disconnect the circuit.
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