Eaton QBGFEP1040 - 40 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Eaton QBGFEP1040 is a 40A, 120V, 1-pole bolt-on molded case circuit breaker designed to protect a single branch circuit with precision in panelboards and load centers. Built to endure vibration and electrical stress, it delivers dependable performance for residential, commercial, and light industrial applications.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing the risk of loose connections and ensuring consistent protection over time.
• Thermal-magnetic trip unit delivers stable overload protection with fast magnetic response for short circuits, enabling repeatable, reliable protection across varying temperatures and loads.
• OEM-compatible design is engineered to fit with matching Eaton OEM load centers and panelboards, simplifying installation and maintaining panel compatibility.
• Clear electrical specifications—40A at 120V, 1-pole, bolt-on—ideal for protecting standard 120V branch circuits such as lighting, receptacle runs, and modest motor loads.
• Easy maintenance and replacement with a bolt-on format that streamlines service and upgrades in electrical panels without sacrificing performance.

Practical use cases include upgrading home panels to improve reliability on 120V lighting circuits, outfitting small commercial spaces with robust branch-circuit protection, or integrating into light industrial service panels where consistent trip performance matters. The combination of a molded-case construction and a thermal-magnetic trip mechanism ensures dependable operation across typical HVAC, lighting, and outlet circuits in demanding environments.

Designed to work seamlessly with Eaton’s panelboard ecosystem, the QBGFEP1040 provides predictable protection behavior, helping you meet code requirements while preserving the longevity of wiring and connected equipment. If you’re selecting a breaker for a 120V, single-circuit protection scheme in a panelboard or load center, this bolt-on option offers a balanced mix of reliability, compatibility, and installation efficiency.