Eaton HMCP400N5W - 400 A, 600 V, 3-Pole Circuit Breaker | AmpState

Eaton HMCP400N5W is a rugged 400 A, 600 V, 3-pole molded case circuit breaker engineered to safeguard your electrical distribution with precision. Designed for dependable branch-circuit overcurrent and short-circuit protection, it integrates seamlessly into panelboards and load centers, delivering reliable performance where it matters most.

Key reasons to choose the HMCP400N5W

• Compact molded-case design maximizes panel space and simplifies installation, making it an ideal fit for both retrofit projects and new panel builds.
• Thermal-magnetic trip unit provides stable, repeatable protection against overloads and rapid response to short circuits, helping protect downstream devices and wiring from damage.
• 3-pole construction supports three-phase systems, which are common in commercial and light industrial environments, ensuring proper coordination and fault clearance across all phases.
• OEM-compatible with matching Eaton load centers and panelboards, designed to work together for streamlined replacement and upgrade paths.
• Versatile application suitable for residential, commercial, and light industrial settings, providing a unified protection solution across multiple environments.

Technical snapshot

• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 400 A
• Voltage rating: 600 V
• Number of poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Who benefits from the HMCP400N5W

Building owners, facilities managers, and electrical installers who need dependable protection for main and branch circuits will appreciate the HMCP400N5W. It’s particularly well-suited for panel upgrades, system expansions, or new installations where space efficiency and reliable, trip-controlled protection are priorities.

Practical use cases

• Upgrading a panelboard in a small commercial space with a 3-phase electrical load.
• Installing a compact, space-saving protection device in retrofit projects where panel footprint is at a premium.
• Providing robust back-up protection in light industrial distributions sharing multiple downstream feeders.

Installation and compatibility considerations

Choose the HMCP400N5W when your panelboard or load center is designed to accept molded-case, three-pole breakers of matching OEM specifications. Ensure alignment with the panel’s labeling and electrical codes for overcurrent protection. This unit is built to integrate with Eaton’s line of load centers, offering a cohesive and dependable protection solution across compatible systems.

With the Eaton HMCP400N5W, you gain a precise, space-efficient, and reliable means of protecting critical electrical infrastructure. It’s a practical choice for ensuring continuity of service and safeguarding equipment in both new installations and upgrades.