Eaton HKD3400T52W 400A 3-Pole 600 V Circuit Breaker

The Eaton HKD3400T52W 400A 3-Pole 600 V Circuit Breaker is built to shield large electrical feeds from overloads and short circuits in demanding industrial and commercial environments. With a 400 A current rating and a 3-pole design, it delivers balanced protection across all three phases in 600 V systems, helping keep equipment safe and downtime to a minimum.

Why this breaker stands out

• Three-pole configuration provides synchronized protection across all phases for 600 V three-phase networks.
• 400 A current rating supports high-load feeders and motor circuits.
• 600 V voltage rating suits industrial power distribution while maintaining reliable protection.
• Durable construction and precise trip characteristics engineered by Eaton for predictable performance under demanding service conditions.
• Part Number HKD3400T52W supports easy identification and replacement in compatible Eaton installations.

Ideal applications

• Main feeders and branch circuits in manufacturing facilities and large commercial buildings.
• Protection for heavy machinery, conveyors, presses, and HVAC systems in three-phase power networks.
• Data centers or server rooms where reliable three-phase protection guards uptime and equipment lifespan.
• Retrofit projects upgrading electrical distribution with robust overload and short-circuit protection.

Specification snapshot

• Current rating: 400 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HKD3400T52W
• Product type: Circuit Breaker