Eaton Cutler-Hammer HKD3300W 300A 3P 600V Circuit Breaker | AmpState

The Eaton Cutler-Hammer HKD3300W is a purpose-built circuit breaker designed to safeguard electrical distribution in panelboards, load centers, and other distribution setups. With a focus on retrofit work where preserving the exact part number matters, HKD3300W provides reliable, drop-in compatibility while keeping your maintenance and procurement streamlined through AmpState.

• Configuration: 3-pole (three-phase) design for comprehensive circuit protection in multi‑phase systems.
• Voltage rating: 600V maximum, suitable for standard industrial and commercial distribution networks.
• Current rating: 300 A, delivering robust protection for high‑load feeders.
• Manufacturer: Eaton Cutler-Hammer, a trusted name in electrical protection solutions.
• Part number: HKD3300W, ideal for retrofit projects where exact part number consistency is required.
• Applications: Designed for panelboards, load centers, and general electrical distribution tasks.
• Availability: Ready to ship from AmpState, with support to confirm fit and compatibility—just message for assistance.

In practical terms, this HKD3300W breaker helps you maintain system reliability during upgrades or maintenance without introducing unnecessary wiring changes or part-number discrepancies. It’s well-suited for facilities managers, electrical contractors, and maintenance teams who prioritize consistent parts, predictable performance, and straightforward sourcing in agency-approved or installed systems.

Use cases include upgrading existing 3‑phase feeders, replacing aging protection devices in distribution networks, or coordinating a retrofit where the original HKD series part must remain in service. If you’re uncertain about exact fit or compatibility, AmpState offers guidance to confirm the match—simply reach out and they’ll help verify the correct application for your panelboard or load center.