Eaton HFD1150L - 277 V, 1-Pole Circuit Breaker | AmpState

The Eaton HFD1150L is a 277V, single-pole molded case circuit breaker designed to deliver dependable branch-circuit protection in panelboards and load centers. Its compact profile makes the most of panel space, while a thermal-magnetic trip unit provides stable, repeatable protection for a wide range of loads.

Smart design for space and protection

• Compact molded-case design minimizes footprint, freeing valuable space inside panels for other circuits and future expansions.
• Thermal-magnetic trip unit delivers precise protection, responding quickly to short circuits and providing reliable overload protection across varying temperatures.
• 277V, 1-pole configuration optimized for commercial lighting, general power branches, and other 277V circuits common in non-residential environments.
• OEM-compatible engineered to work with matching Eaton OEM loadcenters and panelboards for smooth retrofits and consistent performance.
• Versatile applications suitable for residential, commercial, and light industrial electrical systems that require robust 277V branch protection.

Practical use cases

• Protect 277V lighting and power branches in retail spaces, offices, schools, and warehouses.
• Upgrade aging panelboards with modern, reliable thermal-magnetic protection in new-build or retrofit projects.
• Implement in subpanels where space is tight but dependable branch-circuit protection is essential.
• Integrate with matching OEM panelboards to maintain factory-tested compatibility and simplify maintenance.

Why this matters

Choosing the Eaton HFD1150L means combining trusted protection with panel-space efficiency. The thermal-magnetic trip unit reduces nuisance trips while delivering fast, predictable responses to overcurrent and short-circuit events. That translates to less downtime, protected wiring, and safeguarded connected equipment in commercial and light industrial environments where 277V circuits are common.

Specs and compatibility

• Manufacturer: Eaton
• Part Number: HFD1150L
• Type: Thermal-magnetic molded case circuit breaker
• Voltage Rating: 277V
• Number of Poles: 1
• Application: Branch circuit overcurrent and short-circuit protection
• Compatibility: Matches OEM loadcenters and panelboards

Available from AmpState, the Eaton HFD1150L 277V, 1-pole molded case circuit breaker brings reliable protection to your electrical system with a design that respects panel space and installation simplicity.