Square D QO220CAFI - 20 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState

The Square D QO220CAFI is a 20A, 240V, 2-pole plug-in molded case circuit breaker designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its fast plug-in connection and robust thermal-magnetic trip mechanism deliver reliable protection with easy installation and quick replacement when maintenance is needed.

• Fast plug-in connection for streamlined installation and simple replacements without special tools or adapters.
• Thermal-magnetic trip unit provides stable, repeatable protection—responding to sustained overcurrent and immediate short-circuit events to safeguard wiring and devices.
• OEM-compatible design engineered to work with matching Square D OEM load centers and panelboards for verified compatibility and safe operation.
• Versatile applications suitable for residential, commercial, and light industrial environments where reliable protection is essential.

Technical specifications

• Manufacturer: Square D
• Part Number: QO220CAFI
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 20A
• Voltage rating: 240V
• Number of poles: 2
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Why choose the QO220CAFI for your panel

Investing in this 2-pole plug-in breaker means streamlined serviceability and consistent protection across your electrical system. The unit’s thermal-magnetic design balances sensitivity and stability, helping prevent nuisance trips while quickly isolating faults to minimize damage. Its plug-in format reduces downtime during replacement, so maintenance crews can restore protection with confidence and speed.

Use cases and scenarios

• Residential panelboards protecting dedicated circuits for kitchen appliances, HVAC, or lighting runs where fast, reliable disconnection is critical.
• Commercial panel installations requiring compliant, easy-to-service branch circuit protection for lighting, outlets, and small mechanical loads.
• Light industrial setups that demand robust short-circuit protection and straightforward plug-in replacement in crowded electrical rooms.

With the Square D QO220CAFI, you gain a proven solution that aligns with your existing QO-series infrastructure, delivering dependable protection, straightforward maintenance, and peace of mind across a range of environments.