Eaton KDC3350W - 350 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Eaton KDC3350W is a robust 350A, 600V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Built for durability, it stays firmly in place even in environments with vibration, ensuring continuous protection where it’s most needed.

• Secure bolt-on mounting: Provides a rigid, vibration-resistant bus connection that helps prevent loose connections and erratic trips in dynamic installations.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection performance by reliably responding to overloads and short circuits with precise trip curves.
• OEM-compatible integration: Designed to be compatible with matching Eaton OEM load centers and panelboards, simplifying specification, ordering, and installation.
• Three-pole design for balanced protection: Ideal for three-phase power systems common in commercial and light industrial applications, ensuring coordinated protection across all phases.
• Versatile applications: Suited for residential, commercial, and light industrial environments where durable, code-compliant branch circuit protection is essential.

Technical snapshot

• Manufacturer: Eaton
• Part number: KDC3350W
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 350A
• Voltage rating: 600V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection in panelboards and load centers

Why technicians choose the KDC3350W

When upgrading or installing panelboards and load centers, you want a breaker that pairs predictable performance with straightforward installation. The KDC3350W combines a secure bolt-on connection with a reliable thermal-magnetic trip mechanism, helping you minimize nuisance trips and simplify servicing. It’s a purpose-built solution for three-phase systems where consistent protection and durable construction matter most.

Ideal for new builds, panel upgrades, and retrofit projects in settings ranging from residential subpanels to commercial electrical rooms and light-industrial equipment enclosures. If you’re seeking a dependable, OEM-compatible bolt-on breaker that aligns with Eaton’s panelboard ecosystems, the KDC3350W is a precise, purpose-driven choice.