Square D QO2110 - 110 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState

The Square D QO2110 from AmpState is a robust, plug-in molded case circuit breaker designed to shield your electrical system with precision. Rated at 110 A and 240 V, this 2-pole device fits seamlessly into compatible panelboards and loadcenters, delivering fast, reliable protection where you need it most.

Fast, tool-free installation is at the heart of the QO2110. Its plug-in connection slips into the bus simply and securely, minimizing downtime during additions, upgrades, or replacements. For technicians and DIY installers alike, this design means quick swaps without sacrificing reliability.

Thermal-magnetic protection you can trust—the QO2110 uses a thermal-magnetic trip unit to provide stable, repeatable circuit protection. The thermal element responds to gradual overcurrent, while the magnetic element reacts instantly to short circuits. The result is fewer nuisance trips in normal operation and swift interruption when faults occur, helping protect wiring, devices, and occupants.

Why this breaker matters

Designed for branch circuit overcurrent and short-circuit protection, the QO2110 is a dependable choice for both new installations and maintenance in existing systems. Its compatibility with matching OEM loadcenters and panelboards means you’re not compromising on fit or performance—this is a true fit-for-purpose component in the Square D QO family.

Specs at a glance

• Manufacturer: Square D
• Part Number: QO2110
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 110 A
• Voltage Rating: 240 V
• Number of Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection
• Compatibility: Matches OEM loadcenters and panelboards for reliable, integrated protection

Ideal use cases

Whether you’re outfitting a residential panel, a small commercial distribution board, or a light industrial installation, the Square D QO2110 delivers dependable protection for critical circuits. It’s especially well-suited for multi-wire branch circuits and situations where quick replacement or upgrades are part of the plan. In AmpState projects, this breaker often finds a home in service panels that require a sturdy, plug-in solution with proven performance.

Practical considerations and tips

• Ensure your panelboard is compatible with QO-type plug-in breakers to guarantee a secure fit and correct tripping behavior.
• Pair the 110 A rating with circuits that are sized appropriately for expected loads to maintain safe, efficient operation.
• When performing replacements, power down the main supply, verify the bus stabs are clean, and snap the QO2110 firmly into place for a reliable connection.
• Use in environments typical for residential, commercial, and light industrial applications where robust, quick-replace protection is valued.

For a reliable, compatible, and easy-to-install protection solution in your Square D ecosystem, choose the QO2110 110 A, 240 V, 2-Pole Plug-In Circuit Breaker from AmpState. It blends ease of installation with enduring protection, ensuring your panels and loadcenters stay safeguarded with precision.