Schneider Electric LGL36400CU44X 400A 3P 600V Circuit Breaker | AmpState

Experience reliable protection with the Schneider Electric LGL36400CU44X, a 400 A, 3-pole, 600 V circuit breaker designed for modern electrical distribution systems. This unit is tailored for panelboards, load centers, and distribution boards where uptime and safety are non-negotiable.

Built for replacement projects and spare stocking to preserve your BOM integrity, the LGL36400CU44X helps you keep the original protection scheme intact while simplifying field service and maintenance.

Key features and benefits

• Amperage and voltage: 400 A, 3-pole configuration for robust overcurrent protection across three phases at up to 600 V.
• Versatile installation: Fits standard panelboards and load centers commonly found in commercial and light industrial facilities.
• Exact BOM alignment: Part number LGL36400CU44X makes stocking and replacements straightforward, reducing mis-order risk.
• Secure availability: AmpState offers this Schneider Electric part, with help available to confirm compatibility and fit.
• Long-term reliability: Known Schneider Electric build quality supports durability in demanding environments.

Technical specifications

• Manufacturer: Schneider Electric
• Part Number: LGL36400CU44X
• Product Type: Circuit Breaker
• Amperage: 400 A
• Poles: 3
• Voltage: 600 V

Who benefits

This unit is ideal for facilities managers, electrical distributors, and field service teams who need a dependable, standards-aligned replacement part that minimizes downtime and maintains the original protection scheme. It’s particularly valuable for projects aiming to:

• Replace aging or failed breakers in existing panelboards and load centers.
• Keep BOMs consistent with the original equipment to simplify future maintenance.
• Stock a reliable spare for fast on-site swaps during planned outages.

Practical considerations and tips

• Confirm that your system is a three-phase distribution setup requiring a 400 A, 3-pole device rated for 600 V. This breaker is intended for such configurations and will integrate with standard trip devices in typical Schneider Electric installations.
• When replacing, follow proper shutdown procedures and refer to panel labeling to ensure correct breaker position and bus compatibility.
• Use this part alongside compatible Schneider Electric accessories as recommended by your electrical contractor or distributor to maintain full protective coordination.

If you’re unsure about fit or compatibility, simply reach out—AmpState can help verify that LGL36400CU44X matches your part numbers and panel requirements.