The Square D QOB320GFI is a 3 Pole molded case ground fault circuit breaker with a current rating of 20 Amps and a voltage rating of 208Y/120VAC. It has an interrupting rating of 10kA at 208Y/120VAC. The QOB320GFI has a bolt-on mounting type and includes long time and instantaneous trip functions.
 
$649.99
| Type | Thermal Magnetic | 
| Number of Poles | 3 | 
| Voltage Rating | 208 VAC Star/120 VAC at 50/60 Hz | 
| Current Rating | 20 Ampere | 
| Interrupting Rating | 10 Kiloampere | 
| Trip Sensitivity | 6 Milliampere | 
| Terminal Type | Box Lug | 
| Wire Size | 12 to 8 AWG (Aluminum)- 14 to 8 AWG (Copper) | 
| Mounting | Bolt On | 
| Used On | NQ Panelboard/Interior | 
| Size | 2.25 Inch W x 2.91 Inch D x 4.12 Inch H | 
| Approval | UL- CSA | 
| Model | QOB-GFI | 
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