Square D QO135 - 35 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

Protect branch circuits with confidence using the Square D QO135. This 35A, 120V, 1-pole plug-in molded-case circuit breaker fits seamlessly into compatible panelboards and load centers, delivering reliable overcurrent and short-circuit protection for residential, commercial, and light industrial applications. Available from AmpState, this breaker is built to meet OEM standards and ensure a secure, fast replacement when service is needed.

• Fast, plug-in connection for quick installation and minimal downtime during replacements.
• Thermal-magnetic trip unit provides stable, repeatable protection across typical ambient conditions, responding to overloads and short circuits with precise trip curves.
• 1-pole design, 35A, 120V suited for single-phase branch-circuit protection on standard 120V circuits.
• OEM-compatible designed to drop into matching Square D load centers and panelboards for a secure fit and consistent performance.
• Versatile across settings ideal for residential panels, light commercial circuits, and small industrial applications where reliable protection matters.

Technical snapshot

• Manufacturer: Square D
• Part Number: QO135
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 35A
• Voltage Rating: 120V
• Number of Poles: 1
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Use case scenarios

Homeowners can upgrade individual circuits feeding heavy-load rooms like workshops or home offices. Small offices or retail spaces can rely on a single-pole 35A breaker for lighting and receptacle circuits, keeping power distribution safe and under control. In workshops or light industrial settings, it protects motor-driven equipment and tools on dedicated branch circuits, preventing nuisance trips and potential damage from short circuits.

Why this matters

The QO135’s fast plug-in connection minimizes downtime during installation and maintenance, while the thermal-magnetic trip unit delivers dependable, repeatable protection against overloads and short circuits. Its compatibility with Square D OEM load centers means predictable performance and a straightforward swap when upgrading or expanding your panel lineup.

Ready to upgrade your panel protection? Add the Square D QO135 35A 120V 1-Pole Plug-In Breaker from AmpState to your cart and secure reliable, industry-standard protection for your electrical system.