Square D FAL32020G Molded Case Circuit Breaker
- 20A
- 3 Pole
- Unit Mount
Quantity
Square D FAL32020G - 20A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Designed to handle complex electrical faults, this specialized F-Frame MCCB incorporates a factory-installed ground fault shunt trip. It fastens securely into legacy Square D commercial enclosures and switchboards utilizing a unit-mount design. Rated for 10kAIC at 240VAC, the breaker is HACR rated for HVAC applications. For modern system upgrades, facilities typically transition to the PowerPact B-Frame series equipped with equivalent shunt trip accessories.Specifications
| Brand | Square D |
|---|---|
| Part Number | FAL32020G |
| Series | FAL |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | FAL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Enclosures, Switchboards, Panelboards |
| Wire Gauge | 14-4 AWG (Cu), 12-4 AWG (Al) |
| Max Wire | 4 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Undervoltage Release |
|---|---|
| Accessories | Shunt Trip (Ground Fault) (Factory Installed), Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, UL 489, HACR Rated, NEMA AB 1 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated |
Product FAQs
6 answersCan I install the FAL32020G in a Square D I-Line panelboard?
No, the FAL32020G features a feed-thru (unit mount) connection with lugs on both ends. It is not compatible with I-Line panelboards, which require plug-on breakers like the FA32020.
What does the "G" suffix in the FAL32020G catalog number indicate?
The "G" suffix signifies that this circuit breaker includes a factory-installed ground fault shunt trip module for specialized safety applications.
Are the lugs on the FAL32020G rated for both copper and aluminum wiring?
Yes, the factory-installed lugs are dual-rated. They accept 14 to 4 AWG copper (Cu) wire or 12 to 4 AWG aluminum (Al) wire, providing flexibility for different installation requirements.
Can the FAL32020G be used in 480V electrical systems?
No, the FAL32020G is rated for a maximum of 240VAC. For 480V applications, a different F-Frame breaker, such as the FAL34020, is required.
How does the thermal-magnetic trip mechanism in the FAL32020G operate?
The thermal element provides long-time protection by tripping in response to sustained overloads, while the magnetic element offers instantaneous protection against severe short circuits. Both elements have fixed trip points.
How is the FAL32020G mounted in an enclosure?
As a unit-mount circuit breaker, it fastens directly to the backpan or mounting surface of the enclosure using screws, rather than plugging onto a busbar.
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