Square D QO2110VH - 110 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState

Square D QO2110VH is a 110-amp, 240-volt, 2-pole plug-in molded case circuit breaker engineered to deliver dependable branch circuit protection in panelboards and load centers. Built for quick swaps and reliable performance, this unit is an essential component for safeguarding residential, commercial, and light industrial electrical systems.

Why this breaker stands out

• Fast plug-in connection enables rapid installation and easy replacements, reducing panel downtime during upgrades or service calls.
• Thermal-magnetic trip unit provides stable, repeatable protection for overcurrent and short-circuit events, helping to prevent nuisance trips while maintaining circuit safety.
• OEM-grade compatibility is designed to work with matching Square D load centers and panelboards, ensuring proper fit, electrical coordination, and clean, reliable operation.
• Versatile application suited for residential panels, commercial service panels, and light industrial setups that require solid 2-pole 240V protection.

Technical snapshot

• Manufacturer: Square D
• Part number: QO2110VH
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 110A
• Voltage rating: 240V
• Number of poles: 2
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Upgrade or replace aging panel protection in homes, office suites, retail storefronts, or light industrial facilities. Protect dedicated 240V circuits such as HVAC equipment, water heaters, pumps, and sub-panel feeders with a reliable, plug-in solution that integrates smoothly with existing Square D panel systems.

Practical guidance for best results

When planning installation, ensure the panelboard is designed for QO series plug-in breakers and that the amperage, voltage, and pole configuration match your circuit requirements. For replacements, choose the same rating and two-pole configuration to maintain proper protection and electrical coordination. Always follow local electrical codes and safety practices during installation and handling.