Square D | QO115HM | Circuit Breaker | 1-Pole | 240V

The Square D QO115HM Circuit Breaker is a dependable 1‑pole, 240V safety device engineered for residential and light commercial circuits. Designed for maintenance, retrofit, and replacement needs, it integrates seamlessly with the Square D QO-series panel systems you already trust.

Key compatibility and usage details:

• Part number reference: QO115HM is the best reference for compatibility. Always confirm fit and ratings before ordering.
• Configuration: 1‑Pole, 240V, ideal for protecting a single 240V branch circuit.
• Application: Perfect for maintenance, retrofit, and replacement projects where a matching 1‑pole, 240V breaker is required in QO panels.
• Panel family: Specifically designed to work within the Square D QO family of breakers and compatible panels, ensuring a secure form factor and reliable operation.

Why choose this Square D breaker?

With its alignment to the trusted QO design, the QO115HM offers straightforward, predictable protection for your 240V circuits. It’s built to fit neatly into existing QO panels, making it a practical choice for restoring circuit protection without panel changes or rewiring. For electricians and informed DIYers alike, this breaker provides a familiar, standardized option that supports quick troubleshooting and maintenance workflows.

Practical use cases

• Replacing a failed 240V 1‑pole breaker in a residential panel—restoring dedicated circuits such as an electric range, water heater, or air conditioning line.
• Retrofit projects where an aging panel needs a reliable, compatible 1‑pole 240V protection device from the Square D QO lineup.
• Maintenance cycles in settings that standardize on Square D components for consistent protection and easier fault isolation.

Note: The part number is your best reference for compatibility. Always verify fit and ratings against your panel’s labeling and the breaker’s specifications before purchasing.