Eaton QC3080H - 80 A, 4 V, 3-Pole Circuit Breaker | AmpState

The Eaton QC3080H is engineered to deliver dependable branch circuit protection in modern electrical panels. With an 80-amp rating, a 3-pole configuration, and a compact molded-case design, this breaker frees up panel space while delivering reliable protection against both overloads and short circuits.

Why choose the QC3080H

• Space-efficient molded-case design helps you maximize panel capacity and simplify wiring layouts in tight enclosures.
• Thermal-magnetic trip unit provides stable, repeatable protection: the thermal element handles gradual overloads, while the magnetic element delivers fast response to high-energy faults, minimizing damage to downstream equipment.
• Three-pole configuration suited for three-phase systems, making it an effective choice for multi-phase panelboards and distributed loads.
• OEM compatibility designed to fit matching Eaton OEM load centers and panelboards, ensuring a seamless electrical and mechanical integration without bespoke adapters.
• Versatile for multiple industries ideal for residential, commercial, and light industrial applications where reliable protection and space efficiency matter.

Ideal use cases

• Panelboards and load centers in new construction or upgrades where you need dependable branch-circuit protection without expanding panel footprint.
• Three-phase distribution in commercial spaces, small offices, or light industrial equipment rooms where balanced protection is essential.
• Feeder protection for subpanels, control panels, and downstream circuits that demand quick fault clearing and robust protection.

How it stands up to everyday needs

Unlike breakers that rely on a single mechanism, the QC3080H’s thermal-magnetic design addresses real-world scenarios with precision. It offers reliable overload protection during temperature fluctuations and immediate fault interruption during short circuits, helping to reduce downtime and protect costly machinery and wiring insulation.

Technical specifications

• Manufacturer: Eaton
• Part Number: QC3080H
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 80A
• Voltage Rating: 4V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Installation, compatibility, and practical tips

• Confirm OEM panel compatibility before installation to ensure proper bus connection and mechanical fit.
• Follow standard NEC guidelines for panel labeling, torque specifications, and conductor sizing to maintain safety and compliance.
• Use as a drop-in replacement in suitable Eaton load centers to preserve coordinated protection across the distribution system.
• Store and handle breakers in a clean, dry environment to prevent corrosion or residue that could affect trip performance.