Eaton LD3450L - 450 A, 600 V, 3-Pole Circuit Breaker | AmpState

Engineered for demanding electrical layouts, the Eaton LD3450L is a 450A, 600V, 3-pole molded case circuit breaker designed to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Sold by AmpState, it combines compact form with robust protection, making it a practical upgrade or replacement for serious electrical setups.

• Compact molded case design maximizes panel space without sacrificing protection or performance.
• Thermal-magnetic trip unit delivers stable, repeatable protection—responding to both slow overloads and high-magnitude faults with precision.
• 450A, 600V, 3-pole configuration provides strong, multi-line protection suitable for heavy-duty branch circuits.
• OEM panelboard compatibility designed to align with matching Eaton OEM loadcenters and panelboards for a seamless fit and dependable operation.
• Versatile application ideal for residential, commercial, and light industrial environments where reliable protection and compact footprint matter.

The LD3450L isn’t just a breaker—it’s a protection strategy. The thermal-magnetic trip mechanism minimizes nuisance trips while staying highly responsive to actual fault conditions, helping to safeguard wiring, devices, and downstream equipment. Its 3-pole design ensures coordinated protection across all phases in multiwire circuits, making it an essential choice for modern electrical distributions in both new installs and panelboard upgrades.

Who will benefit most? Professionals upgrading or refurbishing panelboards and loadcenters that require a 450A, 3-pole solution. It’s particularly well-suited for commercial electrical rooms and light industrial applications where space is at a premium but reliable protection isn’t negotiable. If you’re aligning with Eaton's matching OEM panels, the LD3450L offers straightforward compatibility and consistent performance across installations.

Why choose this Eaton LD3450L for your project

• Predictable protection curve thanks to the integrated thermal-magnetic trip unit, ensuring consistent performance across varying temperatures and load conditions.
• Space-efficient design helps you maximize panel capacity without compromising safety or reliability.
• Direct compatibility with Eaton OEM loadcenters and panelboards reduces installation complexity and potential fit issues.
• Clear, practical use cases – from panel upgrades in busy commercial spaces to new builds where a 3-pole 450A breaker is required for main or feeder protection.

Technical snapshot

• Manufacturer: Eaton
• Part Number: LD3450L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 450A
• Voltage Rating: 600V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Choose the Eaton LD3450L for a dependable, long-lasting protection solution that respects panel space, delivers precise trip responses, and aligns with OEM panel requirements. It’s a smart, concrete upgrade for professionals who value safety, efficiency, and compatibility in electrical distribution systems.