Eaton HMCPS150U4W - 150 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton HMCPS150U4W is a 150 A, 600 V, 3-pole molded-case circuit breaker designed to deliver precise branch-circuit overcurrent and short-circuit protection inside panelboards and load centers. Built to endure demanding electrical environments, it provides reliable protection for both residential-style panels and light commercial or industrial installations.

Why this breaker stands out

• Compact molded-case design maximizes available panel space, helping you fit more circuits without crowding the enclosure.
• Thermal-magnetic trip unit combines thermal overload sensing with instantaneous magnetic trip, delivering stable, repeatable protection and reducing nuisance trips in the presence of brief faults.
• Three-pole configuration ensures clean, balanced protection across three phases, ideal for multi-wire branch circuits and evenly loaded panels.
• OEM-compatible works with matching Eaton OEM load centers and panelboards, simplifying replacement and ensuring proper fit and coordination.
• Versatile application suitable for residential, commercial, and light industrial environments where dependable protection is a must.

Practical benefits and use cases

• Great for upgrading older panels to modern protection standards in homes, clinics, shops, and small offices where space is at a premium.
• Acts as a dedicated branch-circuit protector for high-demand circuits (e.g., HVAC, pump, or machinery feeds) within compatible panelboards.
• Facilitates straightforward maintenance and replacement thanks to standardized Eaton design language and mounting mechanics.
• Supports consistent protection performance across varying loads and input conditions, thanks to its thermal-magnetic trip technology.

Technical snapshot

• Manufacturer: Eaton
• Part Number: HMCPS150U4W
• 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

Installation and compatibility

Designed to pair with matching Eaton OEM load centers and panelboards, the HMCPS150U4W focuses on dependable fit and predictable performance. For best results, pair it with an Eaton panel that specifies compatible molded-case breakers, ensuring proper coordination, trip characteristics, and long-term reliability in your electrical distribution system.

Who benefits from this breaker

• Electricians and panel technicians upgrading or refurbishing Eaton-powered panels
• Facility managers overseeing commercial or light industrial electrical rooms
• Homeowners or contractors seeking a compact, reliable 3-pole solution for multi-phase circuits

With the Eaton HMCPS150U4W, you gain a compact, robust, and reliable 3-pole protective device that safeguards your panelboard or load center against overloads and short circuits. Its precise thermal-magnetic trip behavior and OEM-aligned compatibility make it a practical, long-lasting choice for a wide range of electrical installations.