Eaton LD3350Y - 350 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton LD3350Y is a high-performance 350 A, 600 V, 3-pole molded case circuit breaker built to protect your electrical distribution with precision in panelboards and load centers. Designed for reliable branch circuit overcurrent and short-circuit protection, this MCCB integrates seamlessly into Eaton ecosystems and compatible OEM panels.

• Compact molded case design maximizes panel space, making it easier to fit in tight panelboards and load centers without sacrificing performance.
• Thermal-magnetic trip unit delivers stable, repeatable protection across varying loads and ambient temperatures, helping to prevent nuisance trips while safeguarding circuits.
• 3-pole configuration provides simultaneous disconnection of all three phases in 3‑phase systems, ensuring coordinated protection for motors and multi‑wire loads.
• OEM and panel compatibility is built to work with matching OEM load centers and panelboards, enabling straightforward replacement and hassle-free installation.
• Versatile applications suited for residential, commercial, and light industrial environments, where dependable circuit protection is essential for uptime and safety.

Technical snapshot

• Manufacturer: Eaton
• Part Number: LD3350Y
• Type: Thermal-magnetic molded case circuit breaker (MCCB)
• Amperage Rating: 350 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Whether you’re upgrading an aging panel, expanding a commercial distribution system, or specifying components for a new install, the LD3350Y delivers the trusted performance Eaton users rely on. Its combination of space-saving design, dependable trip behavior, and easy compatibility makes it a practical choice for professional electricians and facilities managers aiming to maintain safe, efficient electrical infrastructure.