The QO290 by Square D is a robust 2-pole, 90 Amp circuit breaker designed for 120/240V applications. Featuring a reliable push-in design, this breaker ensures quick and secure installation, providing superior protection for your electrical systems. Ideal for both residential and commercial use, it guarantees safety and efficiency in every operation.
| Brand | Square D |
|---|---|
| Type | Standard (Thermal-Magnetic) |
| Amperage | 90 A |
| Poles | 2-Pole |
| Voltage | 120/240V |
| Interrupting Rating | 10 kA |
| Mounting | Plug-In |
| Frame / Series | QO |
| Catalogue # | QO290 |
The Square D QO290 is a QO-series plug-in breaker designed to install in Square D QO loadcentres and panelboards. As a 2-pole, 90A device it occupies two tandem slots and is compatible with the full QO family of residential and light-commercial panels. Not compatible with Square D Homeline panels, which require a different plug-in design.
Send us your panel model number and we'll confirm the exact fit before you order.
The QO290 is engineered specifically for Square D QO-series loadcentres and panelboards. It uses the QO plug-in bus stab design and will not physically seat correctly in Square D Homeline panels or other brands. Share your panel model with our team and we'll verify compatibility before you order.
Yes — as a 2-pole, 90A breaker rated for 120/240V, the QO290 is well-suited for large 240V loads such as electric ranges, dryers, hot tubs, or sub-panel feeds. Ensure the downstream wiring and receptacles are rated to match the 90A overcurrent protection and that the installation meets the latest Canadian Electrical Code requirements.
The QO290 is part of Square D's active QO product line, though local stock levels vary. Northern Breaker Group specialises in both current-production and hard-to-find or obsolete breakers. If you're having trouble locating this unit, contact our Calgary, Edmonton, or Vancouver counters — or request a quote online — and we'll source it for you quickly.
