Eaton HFDE315021 - 4 V Circuit Breaker | AmpState

Meet the Eaton HFDE315021 — a compact, 4V molded case circuit breaker designed to protect intricate electrical systems with precision. Sold through AmpState, this unit is built to shield branch circuits from overcurrent and short circuits while fitting neatly into modern panelboards and load centers.

Designed for panel efficiency, the HFDE315021 uses a molded case that minimizes space usage in crowded electrical panels. Its thermal-magnetic trip unit delivers stable, repeatable protection performance, responding to gradual overcurrent conditions and instantaneous faults alike. This means fewer nuisance trips and more consistent protection for your wiring and devices.

Key advantages

• Space-saving molded case design: Optimizes panel footprint so you can maximize available enclosure space.
• Thermal-magnetic trip unit: Provides reliable, predictable protection for a variety of load profiles.
• OEM-compatible: Specifically designed to be used with matching OEM load centers and panelboards for straightforward replacement and coordinated protection.
• Versatile applications: Suitable for residential, commercial, and light industrial environments where dependable branch circuit protection is essential.

Technical snapshot

• Manufacturer: Eaton
• Part Number: HFDE315021
• Type: Thermal-magnetic molded case circuit breaker
• Voltage Rating: 4V
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use scenarios

• New installations where space is at a premium and panel efficiency matters
• Panelboard and load center upgrades requiring OEM-compatible replacement breakers
• Residential subpanels that demand reliable overcurrent protection for multiple circuits
• Commercial and light industrial applications where consistent protection enhances system uptime

Practical considerations for deployment

Choose the HFDE315021 when you need dependable branch circuit protection without sacrificing panel space. Its compatibility with matching OEM load centers ensures proper fit and reliable operation within your electrical distribution setup. Pair it with compatible Eaton accessories and follow the panel manufacturer’s instructions to maintain coordinated protection and safe, compliant electrical performance.