Square D QO115K Circuit Breaker, 15A, 1-Pole, 120V

The Square D QO115K circuit breaker delivers dependable, code-aligned protection for 120-volt circuits in panels that accept QO-series devices. With a 15-amp rating and a single pole, it guards a dedicated branch circuit against overloads, providing a clear, instantaneous disconnect when fault current occurs. Designed for industrial service, maintenance, and replacement projects, this breaker slots into compatible Square D panels to maintain system safety and reliability.

What makes the QO115K stand out:

• Direct compatibility with QO-series panels: Built to integrate with Square D QO electrical panels, streamlining upgrades, replacements, and routine maintenance.
• Precise 15A, 1-Pole protection: Protects a single hot leg at 120V, ideal for lighting circuits, outlets, or dedicated loads that require strict overcurrent protection without unnecessary interruption of other circuits.
• Part-number-driven fit: Confirm compatibility by the part number QO115K with your application requirements to ensure a perfect match.
• Maintenance-friendly design: A straightforward replacement option that minimizes panel downtime during service or upgrades.

Ideal for electricians, facility maintenance teams, and homeowners upgrading panels, the QO115K helps you maintain electrical safety and code compliance without juggling multiple breaker families. When in doubt about fit, reach out with your part number and panel details — we’ll help verify compatibility and get you sorted quickly.