Cutler-Hammer HMCP400D5WD09 Circuit Breaker, 400A, 3-Pole, 600V

Powerful, dependable protection for demanding industrial environments starts with the Cutler-Hammer HMCP400D5WD09 circuit breaker. Delivering 400 A of reliable trip protection on a three-pole, 600 V platform, this unit is built for service entrances, maintenance shutdowns, and replacement projects where downtime isn’t an option and safety matters most.

• Three‑pole design provides balanced protection for three‑phase power distribution, helping keep equipment and processes running smoothly.
• 400 A current rating supports heavy electrical loads often found in industrial facilities, reducing nuisance trips during peak demand.
• 600 V maximum system voltage aligns with common industrial power architectures, offering versatile compatibility across rugged environments.
• Proven reliability from a trusted Cutler-Hammer lineage, designed to endure the rigors of daily industrial service and steady operation.
• Part-number guided compatibility use HMCP400D5WD09 to confirm fit for your specific panel or switchgear—verify fit by part number and application requirements to ensure proper protection.

Ideal use cases

Whether you’re installing new equipment in a manufacturing line, performing a planned replacement on aging infrastructure, or stocking spare parts for maintenance windows, the HMCP400D5WD09 provides solid, predictable protection. It’s suited for industrial service panels, feeders, and other three‑phase distribution setups where robust interruption protection and quick replacement capability are priorities.

Why choose this unit over alternatives

Beyond the basics, this circuit breaker emphasizes real-world reliability and compatibility. Its 3‑pole configuration and 600 V rating are tailored for industrial layouts, reducing guesswork during installation. With a clear part-number reference for compatibility checks, you can move quickly from procurement to installation with confidence that you’re selecting the exact device your system requires.

Specifications at a glance

• Manufacturer: Cutler-Hammer
• Product Type: Circuit Breaker
• Amperage: 400 A
• Poles: 3
• Voltage: 600 V
• Part Number: HMCP400D5WD09

Need help confirming compatibility or matching a part number to your exact application? Message us and we’ll assist with fit verification to keep your project on track.