Eaton HMCP003A0W - 3 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Engineered by Eaton, the HMCP003A0W is a 3 A, 600 V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. Built to endure the demands of commercial, residential, and light industrial environments, it combines precise protection with robust construction.

Key advantages

• Secure bolt-on mounting provides a rigid, vibration‑resistant bus connection, reducing loosening and contact wear in installations with equipment vibration or accessibility challenges.
• Thermal‑magnetic trip unit delivers stable, repeatable protection by correctly responding to both overloads and short circuits, helping prevent nuisance trips while safeguarding conductors.
• OEM-compatible design is built to pair with matching load centers and panelboards, ensuring proper fit, electrical coordination, and straightforward replacement in compatible systems.
• Versatile application suited for residential, commercial, and light industrial use, ideal for protecting small to mid‑size branch circuits in shared electrical spaces.
• Rugged molded‑case build supports reliable performance in real-world conditions, with a compact footprint that fits standard panelboard arrangements.

What this means for you

When you install the Eaton HMCP003A0W, you’re choosing a compact, reliable protection solution for branch circuits that need precise current limiting and fast interruption in the event of a fault. The bolt-on design simplifies installation in compatible panelboards, while the 3-pole configuration supports three‑phase protection where required, making it a practical choice for incremental upgrades or replacements in mixed electrical environments.

Technical specifications at a glance

• Manufacturer: Eaton
• Part Number: HMCP003A0W
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 3 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection
• Ideal for: Residential, commercial, and light industrial installations

For installers and facilities managers, this breaker offers predictable performance, straightforward integration with existing OEM panels, and a focus on long-term reliability—key factors when protecting critical electrical loads in busy spaces. Upgrade your panel protection with the Eaton HMCP003A0W and enjoy precise, durable circuit protection that stands up to everyday use.