Square D QO110 - 10A, 1-Pole, Circuit Breaker

The Square D QO110 is a compact, dependable 10A, 1-pole circuit breaker designed to deliver precise overcurrent protection where single-circuit control matters. Built to perform in demanding environments, it anchors safety and reliability in electrical distribution systems from the panelboard to the motor control center.

Key specifications at a glance:

• Current rating: 10A
• Poles: 1-Pole
• Breaker type: Circuit Breaker

Why the Square D QO110 stands out

• Flexible, 1-pole design: Perfect for allocating protected single circuits within panelboards, switchboards, and control panels, helping you optimize enclosure space without compromising protection.
• Part of the trusted QO family: Engineered for consistent performance and compatibility with Square D distribution systems, giving you predictable protection every time the power fluctuates.
• Reliable protection for critical infrastructure: Ideal for industrial, commercial, and OEM applications where safeguarding wiring, components, and processes is essential to minimize downtime and safety risks.
• Versatile application: Suitable for distribution panels and motor control centers, making it a practical choice for both new builds and retrofits in evolving electrical layouts.

Use cases and practical scenarios

Whether you’re wiring a compact lighting circuit in a commercial space, protecting a small control circuit in a machine, or upgrading a panel within an OEM equipment line, the QO110 provides reliable interruption when overcurrent occurs. It’s a sensible choice for designers and electricians who value straightforward installation, clear protection boundaries, and compatibility with existing QO-style panels.

Who benefits most

Electrical professionals, facilities managers, and systems integrators who demand dependable single-circuit protection in panelboards, switchboards, and control panels will find the Square D QO110 aligns with their reliability standards and installation workflows.

Practical tips for use

• Confirm that your enclosure accepts 1-pole QO breakers and that mounting configuration aligns with your panel’s design.
• Pair the QO110 with circuits that require precise, 10A protection to minimize nuisance trips on higher-load branches.
• Keep a consistent stock of QO-series breakers for easier maintenance and future expansions within distribution panels and motor control centers.