ABB THQLQ203020 20/30/20A Quadplex Miniature Circuit Breaker
- 20/30/20A
- 4 Pole
- Plug-On
Quantity
ABB THQLQ203020 - 20/30/20A Quadplex Miniature Circuit Breaker
New
Quantity
Description
Built for high-density power distribution, the THQLQ203020 delivers two 20A single-pole circuits and one 30A double-pole circuit in a standard two-space slot. It mounts securely into GE PowerMark and ABB ReliaHome panelboards. The versatile plug-on connection allows placement in any standard slot without requiring half-inch wing stabs. Delivering a 10kAIC interrupting capacity at 120/240VAC, the breaker ensures robust thermal-magnetic protection and features common trip on the center poles.Specifications
| Brand | ABB |
|---|---|
| Series | THQLQ |
| Amperage | 20/30/20A |
| Poles | 4 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | Q-Line |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | ABB ReliaHome Load Centers, GE PowerMark Gold Load Centers, GE PowerMark Plus Load Centers |
| Wire Gauge | 14-8 AWG (Cu), 12-8 AWG (Al) |
| Max Wire | 8 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Special Classification | Quadplex |
|---|---|
| Available Options | Padlock Attachment, Shunt Trip, Auxiliary Switch |
| Standards | HACR, SWD, UL 489 |
| Approval | cUL, UL |
| Temp Rating | 40C |
Product FAQs
8 answersWhich load centers are compatible with the THQLQ203020 quad breaker?
This breaker is designed for use in single-phase ABB ReliaHome and GE PowerMark load centers, as well as compatible GE meter socket load centers.
How are the circuits configured on the THQLQ203020?
This quadplex breaker provides two independent 20A single-pole circuits on the outer poles and one 30A double-pole circuit on the inner poles. It fits within two standard 1-inch panel spaces.
Does this breaker require wing stabs for installation?
No, the THQLQ203020 features flexible plug-on mounting that does not require wing stabs. This allows it to be installed in all standard GE PowerMark Gold load center positions.
Can the lugs on this breaker accept multiple wires?
Yes, the box-type lugs are multi-wire listed to accept up to two #10 AWG wires. This is particularly useful when connecting surge protective devices.
Is the THQLQ203020 rated for HVAC equipment or switching duty?
Yes, this breaker is both HACR rated for heating, air conditioning, and refrigeration equipment, and SWD rated for switching duty applications.
What is the conductor temperature rating for this breaker?
The THQLQ203020 is rated for use with 60°C and 75°C rated conductors.
Why is this breaker listed under both the ABB and GE brands?
ABB acquired GE Industrial Solutions. The THQLQ203020 is manufactured by ABB and serves as the direct replacement for the legacy GE THQLQ203020, maintaining full backward compatibility with existing GE PowerMark panels.
Does the 30A double-pole circuit feature a common trip?
Yes, the inner 30A double-pole circuit features an internal common trip mechanism. If one leg of the 240V circuit experiences an overload or short circuit, both center poles will trip simultaneously.
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