Eaton QB1040GF - 40 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Eaton QB1040GF is a 40A, 120V, 1-pole bolt-on molded case circuit breaker engineered for dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Built to stand up to vibration and varying electrical loads, this breaker provides consistent protection where it’s most needed.

• Secure bolt-on mounting ensures a rigid, vibration-resistant bus connection, reducing the risk of loose contacts and uneven trips in demanding panel environments.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance across temperature swings and load changes, while rapidly interrupting faults to minimize damage to wiring and devices.
• OEM compatibility designed to pair with matching Eaton OEM load centers and panelboards, ensuring a reliable fit and verified electrical performance.
• Versatile applications suitable for residential, commercial, and light industrial installations—protecting dedicated circuits from overcurrent and short circuits without unnecessary replacements.

What this means for you is fewer nuisance trips from fluctuating loads, easier panel maintenance, and a straightforward path to compliant, safe electrical distribution. The QB1040GF is ideal for projects like upgrading aging panels, adding a protected circuit for HVAC equipment, lighting, or receptacle circuits in small offices, and retrofitting panelboards in retrofit installations.

Technical highlights – Eaton QB1040GF:

• Amperage Rating: 40A
• Voltage Rating: 120V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Type: Thermal-magnetic molded case circuit breaker
• Part Number: QB1040GF
• Application: Branch circuit overcurrent and short-circuit protection

Designed for reliability in panelboards and load centers, the Eaton QB1040GF offers a solid, long-term solution for protected circuits. Add it to your panel today for robust, predictable performance that electricians trust.