QO 20 Amp 3-Pole 240V Plug-in Circuit Breaker
SKU: EQO320
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$119.99
Features
Specifications
The Square D QO320 provides robust 3-pole circuit protection for commercial and industrial systems. Featuring a 20A rating, this thermal-magnetic breaker handles standard branch circuit applications while ensuring consistent performance. Designed for seamless integration, the unit mounts into Square D QO load centers and NQ panelboards. The plug-on design allows for quick installation. Rated for 10 kAIC at 120/240VAC, it includes the Visi-Trip indicator to easily identify tripped circuits.
| Brand | Square D |
|---|---|
| Date Added | May 28, 2026 |
| UPC | 785901272274 |
| Store Location (Lititz, PA) | Aisle 08, Section D2 |
| Package Length (in) | 3.80" |
| Package Width (in) | 3.00" |
| Package Height (in) | 2.30" |
| Manufacturer Part Number | QO320 |
| Series | QO |
| Part Number | QO320 |
| Amperage | 20A |
| Voltage | 120VAC, 240VAC, 120/240VAC, 48VDC |
| Poles | 3 |
| Phase | 3 |
| AIC Rating | 10kA @ 120VAC, 10kA @ 240VAC, 10kA @ 120/240VAC, 5kA @ 48VDC |
| Mounting Style | Plug-On |
| Terminal Type | Pressure Plate |
| For Use With | QO Load Centers, NQ Panelboards, NQOD Panelboards |
| Trip Technology | Thermal Magnetic |
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Wire Gauge | 14-8 AWG (Al/Cu) |
| Max Wire | 8 AWG |
| Min Wire | 14 AWG |
| Standards | CSA C22.2 No. 5, HACR, RoHS, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | Visual Trip Indicator, HACR Rated |