Square D QOU160 - 60 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D QOU160—a robust 60A, 120V, 1-pole bolt-on molded case circuit breaker engineered for dependable branch circuit protection in panelboards and loadcenters. Built to endure in busy electrical environments, this breaker delivers consistent performance when it matters most.

Key benefits at a glance

• Secure bolt-on mounting—a rigid, vibration-resistant bus connection that stays put, even in demanding installations.
• Thermal-magnetic trip unit—combines precise thermal overload sensing with fast magnetic short-circuit protection for stable, repeatable protection performance.
• OEM compatibility—designed to pair with matching Square D OEM loadcenters and panelboards for a clean, code-compliant install.
• 1-pole, 60A, 120V—a precise solution for protecting a single high-demand 120V circuit in residential, commercial, and light industrial settings.

Technical snapshot

• Manufacturer: Square D
• Part Number: QOU160
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 60A
• Voltage Rating: 120V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

This breaker is ideal for electricians, property managers, and DIYers who require a reliable, OEM-matched solution for panelboard upgrades or repairs. The Square D QOU160 delivers predictable protection for a dedicated 120V circuit, making it well-suited for spaces that rely on steady power delivery—homes, offices, small shops, and light industrial environments.

Why choose bolt-on protection? Bolt-on mounting provides a more secure connection than some alternative mounting styles, reducing the risk of loose bus connections in vibration-prone or high-load applications. The combination of a thermal-magnetic trip curve with molded case construction helps maintain protection accuracy across temperature variations, ensuring your circuit stays protected when it’s needed most.

Practical use cases

• Replacing a failed 60A breaker in a residential or light commercial panelboard to restore circuit protection quickly.
• Safely guarding a single high-draw 120V circuit in a workshop, office, or small industrial setting.
• Completing a panel upgrade or expansion with a compatible Square D OEM loadcenter and this QOU160 breaker for cohesive performance.

Tips for installation and best practices

• Ensure panel compatibility: verify that the QOU160 is appropriate for your OEM loadcenter or panelboard.
• Prepare the bus connection: align the breaker with the bus bars and securely bolt it in place to maintain a solid electrical contact.
• Follow safety guidelines: disconnect power and adhere to local codes during installation; align with a licensed electrician for complex panel work.