Eaton KDC3350C - 350 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton KDC3350C is a 350 A, 600 V, 3‑pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short‑circuit protection where space and reliability matter. Built to integrate seamlessly with Eaton panelboards and loadcenters, this unit is a practical, robust solution for diverse electrical environments.

• Space‑efficient, molded case design: Slim profile and compact footprint help maximize panel space and simplify layouts in both new installations and retrofits.
• Thermal‑magnetic trip unit for stable protection: Combines thermal overload protection with magnetic short‑circuit protection to deliver repeatable trips and predictable behavior under a range of operating conditions.
• OEM‑aligned compatibility: Specifically designed to pair with matching Eaton OEM loadcenters and panelboards, ensuring reliable mechanical fit and electrical coordination.
• 3‑pole configuration for three‑phase and multi‑wire systems: Ideal for commercial and light industrial distribution as well as residential setups that require three‑phase protection or multi‑wire branch circuits.
• High‑amp, high‑voltage protection: Rated for 350 A at 600 V, providing substantial capacity for demanding circuits while maintaining safety and control.

Key specifications at a glance

• Manufacturer: Eaton
• Part Number: KDC3350C
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage Rating: 350 A
• Voltage Rating: 600 V
• Poles: 3
• Application: Branch circuit overcurrent and short‑circuit protection

Who should consider the KDC3350C? Electrical contractors, facilities managers, and maintenance teams looking for a reliable, compatible breaker that works within Eaton‑based panels while delivering strong protection for critical feeders and distribution circuits. It’s especially well-suited for panel retrofits, service upgrades, and installations in offices, retail spaces, light manufacturing, and other commercial environments where space efficiency and predictable protection are non‑negotiable.

Practical benefits in real‑world use include fewer nuisance trips thanks to the balanced thermal‑magnetic protection, straightforward integration with existing Eaton infrastructure, and the peace of mind that comes from a tested, field‑proven solution designed to perform when it’s needed most. When you need a dependable 3‑pole breaker that aligns with Eaton’s panel ecosystem and keeps electrical rooms tidy and organized, the Eaton KDC3350C is a compelling choice.

With AmpState’s trusted catalog backing this part, you’re selecting a recognized, durable protection device built for long service life in a variety of building types. For installations that demand solid performance, space efficiency, and seamless compatibility, the KDC3350C stands out as a purpose‑built solution for safe, reliable power distribution.