ABB / General ElectricTHHQB2150
ABB / General Electric THHQC2150WL Miniature Circuit Breaker
- 50A
- 2 Pole
- DIN Rail
ABB / General Electric
THHQC2150WL
Miniature Circuit Breaker
Brand
ABB / General Electric
SKU
THHQC2150WL
Quantity
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ABB / General Electric THHQC2150WL - 50A 2 Pole Miniature Circuit Breaker
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Description
Providing 50 amps of overcurrent protection, this two-pole GE breaker is engineered for versatile use across residential, commercial, and industrial environments. The unit mounts securely to 35mm DIN rails and integrates smoothly into OEM panels and custom enclosures. It utilizes box lug terminals designed for 8-3 AWG wiring. Featuring a robust 22kAIC rating at 120/240VAC, the breaker incorporates a quick-make/quick-break mechanism and is HACR rated for heating and cooling applications.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | THHQC |
| Amperage | 50A |
| Poles | 2 |
| Mounting Style | DIN Rail |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 22kA @ 120/240VAC |
| Frame Type | Q-Line |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | OEM Panels, Enclosures, DIN Rail Adapters |
| Wire Gauge | 8-3 AWG (Cu/Al) |
| Max Wire | 3 AWG |
| Min Wire | 8 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Auxiliary Switch, Shunt Trip, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs |
| Standards | CSA C22.2 No. 5, HACR, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 10C to 50C |
| Construction Features | HACR Rated, Common Trip, Quick-Make/Quick-Break, Visual Trip Indicator |
Product FAQs
8 answersHow is the THHQC2150WL circuit breaker mounted?
The THHQC2150WL is a lug-lug, feed-thru breaker that mounts on a standard 35mm DIN rail. It can also be surface-mounted in custom enclosures or OEM panels using compatible GE mounting base plates.
What does the WL suffix mean in the THHQC2150WL catalog number?
The WL suffix indicates that the breaker comes with lugs on both the line and load sides. This designates it as a feed-thru circuit breaker rather than a plug-on or bolt-on type.
Is the THHQC2150WL compatible with standard GE residential load centers?
No. The THHQC series is a lug-lug, DIN rail mountable breaker designed for OEM panels, control panels, and custom enclosures. It does not plug into standard GE PowerMark Gold residential load centers, which require THQL plug-on breakers.
Can I use the THHQC2150WL in a system requiring a 10kAIC rating?
Yes. The THHQC2150WL has a maximum interrupting rating of 22kAIC at 120/240VAC. This means it safely exceeds and is fully compatible with systems requiring 10kAIC, 14kAIC, or 18kAIC ratings without compromising protection.
What type of trip mechanism does the THHQC2150WL use?
It features a fixed thermal-magnetic trip unit with Long-Time and Instantaneous functions. The thermal component protects against sustained overloads, while the magnetic component provides immediate tripping during sudden short circuits.
What wire sizes and materials are compatible with the THHQC2150WL lugs?
The factory-installed box lugs accept 8 AWG to 3 AWG wire and are dual-rated for both copper and aluminum conductors. Proper torque must be applied according to the manufacturer specifications printed on the breaker to ensure a secure connection.
How does the quick-make, quick-break mechanism improve safety?
The quick-make, quick-break toggle mechanism ensures fast and reliable switching action, which minimizes electrical arcing during manual operation. Combined with an internal common trip bar, it ensures all poles open simultaneously during a fault.
Why is this breaker listed as both ABB and General Electric?
ABB acquired GE Industrial Solutions in 2018. As a result, Q-Line breakers like the THHQC2150WL may be branded as either GE or ABB depending on the manufacturing date, but they are identical in fit, form, and function.
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