Eaton LD3450X - 450 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Eaton LD3450X — a rugged 450 A, 600 V, 3-pole bolt-on molded case circuit breaker engineered to deliver reliable branch circuit protection in panelboards and loadcenters. Built for demanding environments, it combines a secure bolted mounting with precise protection, ensuring steady performance even under vibration, high current, and heavy loads.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection that stays tight through equipment start-ups and demanding operation.
• Thermal-magnetic trip unit delivers stable, repeatable protection for both overload and short-circuit conditions, reducing nuisance trips while safeguarding conductors and devices.
• Three-pole design supports 3-phase systems, ensuring all phases trip together for safe, coordinated shutdown in fault scenarios.
• High-current capability 450 A rating makes it ideal for commercial and light industrial feeders and large residential installations requiring robust protection for high-demand circuits.
• 600 V rating covers a wide range of commercial and industrial electrical distributions, compatible with standard power networks.
• OEM compatibility designed to pair with matching Eaton OEM load centers and panelboards for a seamless, reliable installation and long-term performance.
• Versatile applications suited for residential, commercial, and light industrial environments needing dependable overcurrent and short-circuit protection in panelboards and loadcenters.

What sets the LD3450X apart is its thoughtful combination of a secure bolt-on connection and a proven thermal-magnetic protection system, delivering consistent trip behavior across varying temperatures and loads. For electricians and facilities managers, this breaker offers straightforward replacement in Eaton-aligned panels, reducing compatibility concerns and installation time while enhancing safety and system reliability.

Technical snapshot

• Manufacturer: Eaton
• Part Number: LD3450X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 450 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection