Square D | QO120GF | Circuit Breaker | 20A | 1-Pole | 120V

Square D QO120GF Circuit Breaker — a precise, dependable solution for protecting 120V circuits in Square D QO panel systems. This 1-Pole, 20A breaker is designed for maintenance, retrofit, and replacement projects where exact specifications matter.

• Amperage and form: 20A, 1-Pole, 120V
• Ideal use cases: maintenance, retrofit, and replacement when you need to match existing specs on a QO panel
• Compatibility reference: the part number QO120GF is your best indicator of fit; confirm against your panel labeling and existing breakers before ordering

In practical terms, this breaker provides reliable interruption for a single 120V circuit, helping protect wiring and connected devices from overloads. By aligning with the Square D QO family design, it integrates smoothly with compatible panels and enclosures, reducing the risk of mismatches during service or upgrades.

How to verify compatibility: inspect your panel label for the QO series and a 20A, 1-Pole configuration, then cross-reference with the QO120GF part number. When in doubt, relying on the exact part number is the most dependable reference to ensure a correct, safe fit.

Whether you’re upgrading an older panel, replacing a worn-out breaker, or completing a retrofit project, the Square D QO120GF delivers precise protection for your 120V circuits. Add it to your toolkit to ensure you’re using the correct, matching component for your Square D QO system.