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$44.56
| Voltage | AH/kVA | Length | Width | Height | Weight |
|---|---|---|---|---|---|
| 240VAC | 20 A | 7.25" | 6.25" | 5.58" | 6 lbs |
| Voltage | 240VAC |
| Amp/H | 20 A |
| Length | 7.25" |
| Width | 6.25" |
| Height | 5.58" |
| Weight | 6 lbs |
Closeout pricing on genuine Square D / Schneider Electric QO320 miniature circuit breakers. Ideal for maintaining existing QO load centers and panelboards, keeping your service truck stocked, or matching OEM hardware on retrofit jobs. Limited surplus stock — once they’re gone, we won’t be reordering this model.
The QO320 is a compact 3-pole, 20 A thermal-magnetic miniature circuit breaker from the trusted QO series. Designed for 120/240 Vac systems, it provides reliable overcurrent protection for small three-phase loads or multi-wire branch circuits. The plug-in design drops into compatible Square D QO panelboards, and a 10 kA interrupt rating at 240 Vac helps meet common residential and light commercial fault requirements.
| Parameter | Value |
| Model number | QO320 |
| Type | Miniature circuit breaker, thermal magnetic |
| Poles | 3-pole |
| Current rating | 20 A |
| Rated voltage | 120/240 Vac |
| Interrupt rating | 10 kA at 240 Vac |
| Mounting | Plug-In (QO load centers / panelboards) |
| Series | QO miniature breaker series |
| Manufacturer | Schneider Electric / Square D |
