Eaton HMCP400R5C - 400 A, 600 V, 3-Pole Circuit Breaker | AmpState

When you need dependable protection for large branch circuits in panelboards and load centers, the Eaton HMCP400R5C delivers precise, reliable performance with a compact footprint. This 3-pole molded-case circuit breaker is engineered to handle demanding electrical distribution tasks in residential, commercial, and light industrial environments.

• Space-efficient molded-case design maximizes panel real estate, making it easier to organize high-capacity circuits without crowding your enclosure.
• Thermal-magnetic trip unit provides stable overload protection and rapid interruption during short-circuit events, delivering predictable behavior under varying load conditions.
• 3-pole configuration ideal for 3-phase systems and multi-pole applications common in panelboards and load centers.
• 600 V rating supports higher voltage distributions, expanding versatility beyond typical low-voltage residential setups.
• 400 A amperage rating capable of safeguarding heavy feeders and sizeable circuits while minimizing nuisance trips in busy electrical rooms.
• OEM-compatible designed for seamless replacement in matching Eaton OEM load centers and panelboards, ensuring straightforward installation and serviceability.
• Reliable for varied environments suitable for residential, commercial, and light industrial installations where consistent protection matters most.

Why this breaker stands out

The HMCP400R5C combines a compact form factor with a robust thermal-magnetic trip system, delivering predictable protection across a wide range of operating conditions. Its solid construction and OEM compatibility mean fewer compatibility concerns during upgrades or panel replacements, reducing downtime and simplifying maintenance.

Key specifications

• Manufacturer: Eaton
• Part number: HMCP400R5C
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 400 A
• Voltage rating: 600 V
• Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Available from AmpState, the HMCP400R5C is a dependable choice for upgrading or stocking essential protection for large feeders and high-demand panels. Install with confidence in your next electrical distribution project, knowing you’re pairing trusted Eaton protection with a design engineered for real-world use.