Industrial HMCP400D5W 400A 3-Pole 600 V Circuit Breaker

Engineered for demanding industrial environments, the HMCP400D5W Industrial Circuit Breaker delivers dependable protection for high‑current, three‑phase power systems. With a 400 A rating, 3 poles, and a 600 V maximum voltage, this unit is built to safeguard heavy equipment and critical electrical loads in manufacturing facilities and large-scale power distributions.

• Current rating: 400 A — handles substantial load without nuisance trips when integrated into properly designed systems.
• Poles: 3 — ideal for protecting three‑phase power, ensuring balanced protection across all phases.
• Voltage rating: 600 V — suitable for typical industrial distribution and machinery circuits.
• Part Number: HMCP400D5W — precise identification for maintenance, stocking, and replacements.

Why this model stands out — The HMCP400D5W is purpose-built for industrial environments where reliability matters most. Its 3‑pole design provides synchronized protection across all three phases, helping to prevent phase faults and equipment damage. The 400 A rating makes it a fitting main‑disconnect or sectional protection device for mid‑to‑high current circuits, while the 600 V rating aligns with standard industrial power systems.

Ideal use cases:

• Protecting large three‑phase motors and drives in manufacturing lines.
• Serving as a main disconnect or feeder breaker in industrial distribution panels.
• Safeguarding equipment enclosures and control circuits in heavy‑duty installations.

For facilities upgrading electrical infrastructure, the HMCP400D5W provides a dependable, traceable solution with clear part numbering for serviceability. If you’re aligning with standard industry practices, this breaker supports quick identification and replacement during scheduled maintenance, helping minimize downtime and keep systems running smoothly.