Eaton HFD1080L - 277 V, 1-Pole Circuit Breaker | AmpState

The Eaton HFD1080L is a 277V, 1-pole molded-case circuit breaker engineered to guard branch circuits within panelboards and loadcenters from overcurrent and short-circuit events. Its compact form factor helps you maximize panel space, while the thermal-magnetic trip system delivers stable, repeatable protection across varying loads and temperatures. Designed to pair with matching OEM Eaton panel components, this breaker provides reliable, coordinated protection for a range of 277V applications.

• Compact molded-case design that makes efficient use of panel space without compromising protection.
• Thermal-magnetic trip unit offers fast, predictable trips and reduced nuisance tripping across diverse operating conditions.
• Seamless compatibility with Eaton OEM loadcenters and panelboards for safer, simpler installations and maintenance.
• Versatile for residential, commercial, and light industrial 277V circuits, including lighting, HVAC controls, and other 277V distributions.

Key specifications

• Manufacturer: Eaton
• Part Number: HFD1080L
• Type: Thermal-magnetic molded case circuit breaker
• Voltage Rating: 277 V
• Number of Poles: 1
• Application: Branch circuit overcurrent and short-circuit protection

Why this breaker stands out: its compact design frees panel bus space for additional circuits, while the thermal-magnetic trip unit provides dependable protection that adapts to real-world electrical loads. When you choose the HFD1080L, you’re selecting a component that coordinates with Eaton’s panel ecosystem to deliver consistent protection, easier maintenance, and long-term reliability in 277V installations.

Use cases and ideal applications

• 277V commercial lighting circuits in offices, schools, and retail environments
• Electrical protection for HVAC control circuits and other 277V equipment
• Retrofits or upgrades within existing Eaton panelboards where space efficiency and OEM compatibility matter
• New construction projects requiring dependable, single-pole protection for branch circuits

For a straightforward, coordinated protection solution in 277V systems, the Eaton HFD1080L 1-pole molded-case circuit breaker delivers precise trip behavior, reliable performance, and seamless integration with Eaton panelboards and loadcenters. Always follow local codes and consult a licensed electrician when selecting and installing protective devices.