Eaton HMCPJ250G5L - 250 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton HMCPJ250G5L is a robust 250A, 600V, 3-pole molded case circuit breaker designed to protect your electrical distribution with precision and reliability. Built for dependable branch circuit overcurrent and short-circuit protection, this unit fits seamlessly into panelboards and loadcenters, delivering clean, coordinated protection for three-phase systems and mixed loads alike.

Why the HMCPJ250G5L stands out

• Compact molded-case design maximizes panel space so you can fit more protection without crowding the enclosure or compromising accessibility.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining a thermal element for overloads with a fast-acting magnetic element for instant short circuits.
• OEM-ready compatibility engineered to pair with matching Eaton loadcenters and panelboards for precise fit and coordinated protection across the entire distribution system.
• Versatile application suitable for residential, commercial, and light industrial environments where reliable protection and uptime matter.

Ideal applications and use cases

• New installations in commercial panelboards or light industrial distribution where three-pole protection is required for three-phase circuits.
• Upgrading or replacing aging breakers in OEM Eaton loadcenters to maintain proper trip coordination and protection levels.
• Upgrade projects in electrical rooms or service panels that demand compact breakers with dependable fault interruption to minimize downtime and equipment damage.
• Subpanel protection for equipment racks, ensuring safe distribution of power to critical machinery and systems.

Key specifications at a glance

• Amperage rating: 250 A
• Voltage rating: 600 V
• Poles: 3
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection
• Manufacturer: Eaton
• Part number: HMCPJ250G5L

Practical guidance for optimal performance

For best results, pair the HMCPJ250G5L with matching Eaton OEM loadcenters and panelboards to ensure proper fit, mounting, and electrical coordination. When replacing an existing breaker, select a unit with the same amperage and voltage ratings to preserve protective profiles and system reliability. Use in standard residential, commercial, and light industrial distribution where three-phase protection and compact panel footprint are priorities.