QO 50 Amp 3-Pole 240V Plug-in Circuit Breaker
SKU: EQO350
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$119.99
Features
Specifications
Built for residential and commercial applications, the QO350 provides robust overcurrent protection. This 50A, three-pole miniature circuit breaker features a standard 10kAIC rating at 240VAC to safeguard electrical systems. The plug-on design installs seamlessly into Square D QO load centers and NQ panelboards. It accepts 8-2 AWG wire via standard box lugs. Equipped with the exclusive Visi-Trip indicator, this HACR-rated breaker allows users to quickly identify tripped circuits.
| Brand | Square D |
|---|---|
| Date Added | May 28, 2026 |
| UPC | 785901333616 |
| Store Location (Lititz, PA) | Aisle 08, Section D2 |
| Package Length (in) | 3.80" |
| Package Width (in) | 2.30" |
| Package Height (in) | 3.30" |
| Manufacturer Part Number | QO350 |
| Series | QO |
| Part Number | QO350 |
| Amperage | 50A |
| Voltage | 240VAC, 120/240VAC, 48VDC |
| Poles | 3 |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC, 10kA @ 120/240VAC, 5kA @ 48VDC |
| Mounting Style | Plug-On |
| Terminal Type | Box Lugs |
| For Use With | QO Load Centers, NQ Panelboards |
| Trip Technology | Thermal Magnetic |
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Wire Gauge | 8-2 AWG (Al/Cu) |
| Max Wire | 2 AWG |
| Min Wire | 8 AWG |
| Available Options | Padlock Attachment, Handle Tie |
| Accessories | None included |
| Standards | UL 489, CSA C22.2 No. 5, HACR, RoHS, REACh |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Visual Trip Indicator, HACR Rated, Mercury Free, RoHS Compliant |