The Square D QO220CP Mini Circuit Breaker is a compact, premium two‑pole circuit breaker designed to provide reliable overcurrent protection for residential and light commercial electrical systems. As part of the industry‑leading Square D QO series, this breaker delivers trusted performance while helping maximize available space within QO load centers.

Rated at 20 amps and suitable for 120/240‑volt applications, the QO220CP is ideal for protecting 240‑volt branch circuits that require lower current capacity in a compact form factor. Its mini (space‑saving) design allows additional circuits to be installed without expanding or replacing the load center, making it a practical solution for electrical upgrades, renovations, and high‑density panel configurations.

The breaker features Square D’s proven thermal‑magnetic tripping mechanism, providing dependable protection against sustained overloads and instantaneous short circuits. Designed for plug‑on installation, the QO220CP installs quickly and securely in approved Square D QO load centers, ensuring a solid bus connection and long‑term electrical reliability. Manufactured to Square D’s strict quality and safety standards, this mini breaker delivers consistent performance professionals can depend on.

Key Features

• Mini, space‑saving breaker design for efficient panel utilization
• Two‑pole configuration for 120/240V branch circuits
• 20‑amp rating for lower‑load 240‑volt applications
• Thermal‑magnetic tripping for reliable overload and short‑circuit protection
• Plug‑on mounting for fast, secure installation
• Built to Square D QO series quality and performance standards
• Compatible with Square D QO load centers approved for mini breakers
• Suitable for new installations or replacement applications

Specifications

• Manufacturer: Square D (Schneider Electric)
• Series: QO
• Model Number: QO220CP
• Breaker Type: Mini / Compact
• Number of Poles: 2
• Amperage Rating: 20 Amps
• Voltage Rating: 120/240 VAC
• Tripping Mechanism: Thermal‑magnetic
• Mounting Type: Plug‑on
• Load Center Compatibility: Square D QO panels approved for mini breakers
• Application Rating: Branch circuit protection
• Indicator: Square D QO handle with visual trip indication

Applications

• Residential Square D QO load centers with limited breaker space
• Light commercial electrical panels
• 240‑volt branch circuits requiring 20‑amp protection
• Electrical panel upgrades and renovation projects
• Replacement of existing Square D QO mini circuit breakers