Eaton HMCP150U4X - 150 A, 600 V, 3-Pole Circuit Breaker | AmpState

Meet the Eaton HMCP150U4X — a dependable 150 A, 600 V, 3-pole molded case circuit breaker built to safeguard panelboards and load centers with precision. Designed for reliable branch circuit overcurrent and short-circuit protection, this unit fits seamlessly into commercial and light industrial electrical layouts, as well as residential setups that demand robust three-phase protection.

• Compact molded case design — maximizes panel space and simplifies wiring in tighter installations, making it ideal for crowded commercial panels or installations with limited enclosure real estate.
• Thermal-magnetic trip unit — delivers stable, repeatable protection by combining thermal and magnetic sensing to handle both sustained overloads and sudden short circuits without nuisance trips.
• 3-pole protection — perfect for three-phase circuits, motors, pumps, and HVAC feeders, ensuring coordinated protection across all phases in a single device.
• OEM compatibility — engineered to integrate with matching Eaton OEM load centers and panelboards, providing a consistent protection scheme and fewer compatibility concerns during sourcing or upgrades.
• Versatile voltage and current rating — rated for 150 A at up to 600 V, enabling use in a wide range of commercial and light industrial applications while maintaining solid fault isolation.

Who this is for and how it helps:

• Property managers and electrical contractors tackling commercial spaces — protect three-phase feeders feeding lighting, outlets, and small motors without crowding the panel with multiple single-pole breakers.
• Industrial technicians and maintenance teams — safeguard equipment like conveyors, compressors, and pumps with a unit designed for durable, consistent performance in panelboard environments.
• Residential builders with advanced service panels or subpanels in larger homes — bring three-phase protection to demanding residential scenarios that require reliable overcurrent and short-circuit control.

Why choose the HMCP150U4X in your panel strategy? It combines a compact form factor with a proven thermal-magnetic protection approach, specifically engineered for panelboards and loadcenters that require dependable, code-compliant segmentation of electrical loads. By aligning with matching OEM configurations, it helps maintain cohesive protection throughout the system, reduces wiring complexity, and supports easier maintenance and upgrades over time.

Technical snapshot

• Manufacturer: Eaton
• Part Number: HMCP150U4X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 150 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection
• Suitable for: Residential, commercial, and light industrial applications