Eaton HMCP250D5Y - 250 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton HMCP250D5Y is a 250 A, 600 V, 3-pole molded case circuit breaker designed to shield branch circuits from overcurrent and short-circuit events. Built for panelboards and loadcenters, it delivers dependable protection where you need it most.

• Compact molded case design – makes efficient use of panel space, enabling cleaner wiring and easier upgrades in crowded equipment rooms.
• Thermal-magnetic trip unit – combines thermal sensing for overcurrent with magnetic trip for instantaneous fault response, delivering stable, repeatable protection across loads and ambient conditions.
• OEM compatibility – engineered to drop into matching OEM loadcenters and panelboards for hassle-free replacement and compliant installations.
• Versatile applications – suitable for residential, commercial, and light industrial environments, protecting feeders, branch circuits, and panelboards.

Specifications at a glance

• Manufacturer: Eaton
• Part Number: HMCP250D5Y
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 250 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Why this breaker stands out: the 3-pole design is well-suited for balanced three-phase systems in small to mid-size commercial and light industrial panels, while the compact form factor helps you maximize usable space inside panelboards and loadcenters. The thermal-magnetic trip mechanism provides precise, reliable protection, reducing nuisance trips on circuits with motors or equipment that experience inrush currents.

Practical use cases:

• Protect main feeders and branch circuits in light industrial panels where space is at a premium.
• Upgrade commercial panelboards to accommodate 3-phase loads without expanding cabinet footprint.
• Replace worn or legacy breakers to restore dependable protection for critical equipment and controls.

Installation and compatibility notes:

• Pair with the appropriate Eaton panelboards/loadcenters designed for HMCP250D5Y to ensure proper rating, trip characteristics, and clearance.
• Install in accordance with electrical codes and safety practices for overcurrent protection in three-phase systems.