Eaton HMCP150U4C - 150 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton HMCP150U4C is a 150A, 600V, 3-pole molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. Built for residential, commercial, and light industrial environments, it integrates seamlessly with matching OEM load centers and panelboards, providing a compact, space-efficient solution for modern electrical rooms. This item is available from AmpState.

Key advantages that matter in the real world

• Compact molded case design optimizes panel space without sacrificing reliability, making it ideal for crowded or retrofit panelboards.
• 150A, 600V rating supports typical commercial and light industrial distribution without compromising performance.
• Three-pole configuration delivers true three-phase protection, essential for motors, HVAC, lighting, and shared feeders in multi‑phase systems.
• Thermal-magnetic trip unit provides stable, repeatable protection by combining thermal overload sensing with instantaneous magnetic response for high-energy faults.
• OEM-ready compatibility designed to integrate with matching OEM load centers and panelboards, simplifying upgrades and replacements.

Practical use cases

Install the HMCP150U4C in commercial or light industrial panelboards to safeguard feeders that power motors, compressors, and three-phase equipment. It’s well-suited for new installations, panel refurbishments, and service upgrades where reliable overcurrent and short-circuit protection is critical. The 3-pole design ensures coordinated protection across all phases, helping minimize downtime and equipment damage.

Who benefits from this breaker

• Electrical contractors outfitting or renewing panelBoards in offices, retail spaces, or light industrial facilities.
• Facilities managers seeking dependable, easy-to-integrate protection for three-phase distributions.
• Specwriters and panel builders looking for a compact, OEM-compatible solution with proven Eaton engineering.

Why this matters in practice

Choosing the HMCP150U4C means you’re investing in a robust, space-efficient protective device that aligns with Eaton’s engineering standards and is designed to slot into existing OEM panels. By providing precise thermal protection plus immediate magnetic response, it helps ensure equipment longevity, safer operations, and clearer maintenance planning in busy electrical rooms.

Technical snapshot

• Manufacturer: Eaton
• Part Number: HMCP150U4C
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 150A
• Voltage Rating: 600V
• Pole Count: 3
• Application: Branch circuit overcurrent and short-circuit protection

Whether you’re upgrading a panelboard, replacing a failed breaker, or planning a new installation, the Eaton HMCP150U4C delivers reliable protection with a compact footprint and OEM-ready compatibility.