Eaton HFD1050L (277 V) - 50 A, 277 V, 1-Pole Circuit Breaker | AmpState

Eaton HFD1050L (277V) is a 50A, 1-pole molded-case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its compact molded-case design helps you maximize valuable panel space without sacrificing protection, making it an excellent choice for streamlined electrical installations.

Why this breaker stands out:

• Thermal-magnetic trip unit provides stable, repeatable protection performance. It accurately responds to sustained overcurrent and short-circuit conditions, helping to prevent nuisance trips and protect sensitive equipment.
• Space-efficient, molded-case construction lowers panel-depth requirements and frees up room for future expansion, all while meeting demanding electrical safety standards.
• OEM-compatible design ensures seamless integration with matching OEM load centers and panelboards, reducing installation effort and preserving system reliability.

Ideal applications and environments:

• Residential, commercial, and light industrial electrical setups where 277V circuits are common, such as certain lighting and HVAC configurations.
• Situations requiring clear overcurrent and short-circuit protection in a compact package that fits neatly into existing panelboards and load centers.
• New installations or replacements where space, reliability, and straightforward integration with OEM equipment are priorities.

Key specifications at a glance:

• Amperage rating: 50A
• Voltage rating: 277V
• Number of poles: 1
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection

Practical benefits for your project:

• Protects branch circuits from overloads, helping to prevent wiring insulation damage and fire risks.
• Provides predictable protection behavior across everyday operating conditions, improving system reliability.
• Supports tidy, scalable panel designs by conserving space and simplifying future upgrades.

Whether you’re upgrading an existing panel, designing a new commercial space, or equipping a light industrial installation, the Eaton HFD1050L (277V) 50A 1-pole molded-case circuit breaker offers precise protection, compact footprint, and dependable performance aligned with OEM compatibility. It’s a thoughtful, practical choice for electricians and facilities professionals who value safety, efficiency, and long-term reliability in power distribution.