Square D QOU1PA 1-Pole Circuit Breaker

The Square D QOU1PA 1-Pole Circuit Breaker is a precise, reliable safeguard for a single branch circuit in your electrical panel. Crafted by Square D, this 1-pole unit delivers dependable overload protection with a confidence-inspiring track record, making it a dependable replacement part for everyday electrical needs.

What makes the QOU1PA stand out

• Exact part number: QOU1PA ensures you’re selecting the precise replacement to maintain consistency, labeling, and protection in your Square D system.
• 1-pole design: Protects a single hot leg, a common configuration for typical 120V branch circuits in residential and light commercial setups.
• Thermal-magnetic trip mechanism: Delivers fast, predictable interruption during overloads or short circuits, helping safeguard wiring, devices, and your home’s safety.
• UL-listed and tested: Built to meet recognized electrical safety and performance standards, giving you confidence in long-term reliability.
• Easy replacement: Plug-in style designed for straightforward installation in compatible Square D panels, with a secure, dependable connection that stays put through repeated cycling.
• Durable construction: Robust housing and mechanism engineered for lasting service in busy electrical panels.

Ideal use cases

• Replacing a failed or tripped 1-pole breaker protecting lighting circuits, outlets, or other single-branch loads.
• Stocking essential Square D components for panel maintenance and quick repairs in residential or light commercial settings.
• Performing routine panel refreshes where exact-fit, brand-specific parts help preserve labeling accuracy and system integrity.

Practical installation notes

• Turn off power at the main breaker before beginning any work. Verify the circuit is de-energized.
• Remove the panel cover and locate the appropriate slot for a 1-pole breaker.
• Align the breaker with the bus and push firmly until it seats with an audible click.
• Restore power and test the protected circuit with a suitable tester to confirm proper operation.
• If you’re unsure about installation, consult a licensed electrician to ensure safe and compliant setup.

Choose the Square D QOU1PA 1-Pole Circuit Breaker when you need an exact, trustworthy replacement that preserves panel compatibility and delivers consistent, code-compliant protection for a single branch circuit.