Westinghouse | HMCP400K5 | Circuit Breaker | 400A | 3-Pole | 600V | 35kA

Meet the Westinghouse HMCP400K5 Circuit Breaker—a purpose-built protective device for demanding three‑phase systems. With a 400A rating, 600V operating voltage, and a robust 35kA interrupting capacity, this breaker is designed to guard feeders and distribution panels in commercial and industrial settings. Built for maintenance, retrofit, and replacement projects, it offers a precise, drop‑in fit for panels that require the HMCP400K5 specification. Before ordering, confirm fit and ratings using the part number HMCP400K5 to ensure compatibility.

• Amperage: 400A
• Poles: 3‑Pole
• Voltage: 600V
• Interrupting capacity: 35kA
• Applications: ideal for protecting three‑phase commercial and industrial panels, service equipment, and motor circuits

Why this matters: a three‑pole Westinghouse HMCP400K5 delivers balanced protection across all phases, ensuring simultaneous disconnection during a fault. The 35kA interrupting rating provides the resilience needed for higher fault currents often encountered in industrial environments, while the 600V rating covers a broad range of commercial power systems. This combination translates to safer startups, fewer nuisance trips, and easier maintenance planning for facility teams and electrical contractors alike.

Compatibility and procurement notes: use the HMCP400K5 part number as the primary reference for compatibility. Verify that your panelboard, bus configuration, and mounting style align with this 3‑pole, 400A, 600V device before purchase. If you’re upgrading older gear or retrofitting a replacement unit, this model is specifically chosen to align with legacy Westinghouse installations and compatible legacy panels.

Who benefits most

Ideal for electrical contractors, facilities managers, and plant engineers responsible for reliable power protection in warehouses, manufacturing floors, data centers, and other demanding commercial or industrial environments. It’s especially valuable when upgrading protection capacity or replacing aging equipment that relies on this exact HMCP400K5 specification.

Practical usage tips

Plan replacements during routine maintenance windows to minimize downtime. Always verify panel compatibility and labeling, follow local electrical codes, and reference the panel’s documentation for mounting and tripping requirements. With the HMCP400K5, you’re choosing a trusted Westinghouse solution designed to deliver consistent protection and straightforward replacement in compatible systems.