QO 30 Amp 3-Pole 240V Plug-in Circuit Breaker
SKU: EQO330
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$119.99
Features
Specifications
Built to handle 30-amp three-phase loads, this miniature circuit breaker delivers reliable overcurrent protection for commercial and industrial environments. The internal common trip mechanism ensures an overload on any phase opens all three poles. Compatibility spans across Square D platforms, including QO load centers, NQOD panelboards, and Speed-D switchboards. Rated for 10kA interrupting capacity at 240VAC, the unit features the highly visible Visi-Trip indicator for rapid diagnostics.
| Brand | Square D |
|---|---|
| Date Added | May 28, 2026 |
| UPC | 785901636793 |
| 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 | QO330 |
| Series | QO |
| Part Number | QO330 |
| Amperage | 30A |
| Voltage | 240VAC, 120/240VAC, 48VDC |
| Poles | 3 |
| Phase | 3 |
| AIC Rating | 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, Speed-D Switchboards |
| Trip Technology | Thermal Magnetic |
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Wire Gauge | 14-8 AWG (Cu/Al) |
| Max Wire | 8 AWG |
| Min Wire | 14 AWG |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
| Standards | CSA C22.2 No. 5, UL 489, HACR |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator, Common Trip |