Eaton KD3350C - 360 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton KD3350C is a rugged 360A, 600V, 3-pole molded case circuit breaker engineered to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Designed with space efficiency in mind, its compact molded case and robust thermal-magnetic trip unit provide stable, repeatable protection across varying loads and fault conditions. Compatible with matching OEM loadcenters and panelboards, this breaker offers a seamless retrofit path for residential, commercial, and light industrial installations.

Key advantages

• Compact molded case design maximizes panel space, making it easier to fit multiple circuits in tight enclosures
• Thermal-magnetic trip unit delivers stable overload protection with fast magnetic response for short-circuit events
• OEM compatibility works with matching Eaton OEM loadcenters and panelboards to simplify replacements and upgrades
• 3-pole configuration provides balanced protection for three-phase systems and packaged equipment
• 600V rating suits a wide range of commercial and light industrial distribution applications
• 360A amperage rating supports high-current branch circuits while maintaining precise protection curves

Technical specifications

• Manufacturer: Eaton
• Part Number: KD3350C
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 360A
• Voltage Rating: 600V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Ideal applications

• Residential and multifamily panelboards where high-current branch circuits converge
• Commercial distribution panels powering lighting, outlets, and equipment
• Light industrial panels protecting motors, conveyors, and other small to mid-size machinery
• Retrofits and replacements in OEM panelboards that require an exact fit and known trip characteristics

Practical considerations and why it matters

The KD3350C is more than a pass-through device—it’s a carefully engineered protection solution. The combination of a compact form factor and a thermal-magnetic trip unit means you get dependable, repeatable protection without sacrificing valuable enclosure space. Its OEM compatibility reduces installation time and wiring complexity, helping you minimize downtime during upgrades or service calls. When you need robust protection for large branch circuits in three-phase distributions, the KD3350C offers a clear, reliable path forward.