Eaton LD3350X - 350 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton LD3350X - 350A, 600V, 3-Pole Molded Case Circuit Breaker is purpose-built to safeguard panelboards and load centers with dependable branch-circuit overcurrent and short-circuit protection. Designed for seamless integration into Eaton-friendly systems, this device helps ensure reliable power distribution across residential, commercial, and light industrial environments.

Why the LD3350X stands out

• Compact molded-case design maximizes panel space and simplifies wiring in tight electrical spaces, making it ideal for modernization and retrofits where space is at a premium.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining overload (thermal) and short-circuit (magnetic) response, helping prevent nuisance trips while safeguarding equipment.
• OEM compatibility is built in—engineered to pair with matching OEM load centers and panelboards for a streamlined, reliable install.
• Versatile application suitable for residential circuits, commercial panelboards, and light industrial distributions requiring robust 3-phase protection.

Technical snapshot

• Manufacturer: Eaton
• Part Number: LD3350X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 350A
• Voltage Rating: 600V
• Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection in panelboards/load centers

Practical use cases and benefits

• Upgrade or replace a worn breaker in a three-phase commercial panel or light industrial distribution center to restore reliable protection for feeders and equipment.
• Integrate into Eaton-compatible load centers to maintain a cohesive protection scheme across your electrical system, reducing compatibility concerns and installation time.
• Support three-phase machinery, motors, and shared feeders in facilities where space efficiency and dependable trip performance are critical.
• Designed for installations where a high-current, three-pole device is needed to protect large branch circuits while preserving panel capacity.

Compatibility, installation, and best practices

• Ensure the panelboard or load center is compatible with Eaton LD-series molded case breakers to maintain optimal protection profiles and warranty coverage.
• Install according to applicable electrical codes and manufacturer guidelines; confirm torque specifications and secure mounting to prevent overheating and ensure reliable trip operation.
• Use as part of a thoughtfully planned protection scheme for commercial and light industrial environments where space constraints and robust fault protection are priorities.
• If you’re upgrading a system, verify that the LD3350X’s 350A capacity aligns with the feeder ampacity and the overall load requirements of the installation.

Engineered for dependable protection and designed to fit Eaton panel ecosystems, the LD3350X offers a precise balance of space efficiency, protective performance, and compatibility. For professionals seeking a reliable 3-pole solution rated at 350A and 600V, this molded case circuit breaker from Eaton delivers clarity of protection, streamlined installation, and long-term system reliability.