Eaton HMCPE003A0C - 3 A, 480 V, 3-Pole Circuit Breaker | AmpState

Meet the Eaton HMCPE003A0C — a compact, reliable 3A, 480V, 3-pole molded case circuit breaker designed to safeguard your panelboards and load centers. Built for dependable branch circuit overcurrent and short-circuit protection, this unit helps keep complex 3‑phase systems running smoothly, whether in a home, a commercial space, or a light industrial setting.

Why this breaker stands out

• Space-saving molded case design: The compact footprint makes efficient use of panel space, helping you fit more protection without crowding the enclosure.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection performance by responding to both overload conditions and short circuits, reducing nuisance trips and improving reliability.
• 3-pole configuration (three-phase): Specifically engineered for 3‑phase circuits, ensuring coordinated protection across all conductors in your system.
• Low-current protection with a higher-voltage system: 3A rating paired with a 480V capability makes it suitable for controlled loads in commercial and light industrial environments.
• OEM-compatible: Designed to pair with matching Eaton OEM load centers and panelboards, streamlining installation and ensuring proper fit and performance.
• Versatile application: Ideal for residential, commercial, and light industrial applications where precise 3‑phase protection is required.

What problems it solves

In multi‑stage electrical systems, a single mis-rated breaker can cause unnecessary downtime or unsafe conditions. The HMCPE003A0C provides:

• Consistent protection for 3‑phase branch circuits, guarding against overheating and short circuits across all poles.
• Predictable trip behavior thanks to the thermal-magnetic mechanism, reducing unexpected outages in critical equipment.
• Efficient panel planning by maximizing space without sacrificing protection quality.

Ideal uses and scenarios

Consider the Eaton HMCPE003A0C for:

• 3‑phase loads in light industrial panels, such as small motors, compressors, or HVAC equipment
• Commercial distribution panels that require compact, reliable protection for multiple circuits
• Residential-adjacent commercial spaces where standardizing on a single, compatible protection scheme simplifies maintenance

How to get the most from it

To ensure optimal performance, pair the HMCPE003A0C with matching Eaton OEM load centers and panelboards. This alignment supports proper trip coordination, consistent protection curves, and straightforward installation—so your electrical system stays protected without unnecessary complexity.

Specifications at a glance

• Eaton
• Part Number: HMCPE003A0C
• Type: Thermal-magnetic molded case circuit breaker
• Amperage: 3A
• Voltage: 480V
• Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Whether you’re upgrading an existing panel or wiring a new, space-conscious installation, the Eaton HMCPE003A0C delivers precise, dependable protection for 3‑phase systems. It’s a practical choice for professionals who value panel efficiency, consistent protection performance, and straightforward compatibility with Eaton’s panel ecosystem.