Schneider Electric LGL46000S40X 400A 4P 600V Circuit Breaker | AmpState

The Schneider Electric LGL46000S40X is a robust 400 A, four-pole circuit breaker designed to deliver reliable protection in panelboards, load centers, and electrical distribution systems.

Built for retrofit work and maintenance planning, this model is ideal when the part number must stay consistent to fit existing enclosures and interfaces. Keep your electrical distribution streamlined by selecting a breaker that slides into place without the need for modified mounting or rewiring.

Key specifications

• Manufacturer: Schneider Electric
• Part number: LGL46000S40X
• Amperage rating: 400 A
• Poles: 4
• Voltage rating: 600 V
• Applications: panelboards, load centers, electrical distribution

Why this model stands out

• High-capacity protection: 400 A rating supports demanding mains feeders and critical distribution paths with reliable interrupting capability.
• Four-pole design: Enables complete phase isolation, improving safety and system stability in multi-phase installations.
• Brand trust and compatibility: As a Schneider Electric product, it integrates smoothly with other components in the LGL family, helping maintain consistent performance across your system.
• Retrofit-friendly: Maintains the exact part number to minimize changes to existing enclosures, interfaces, and wiring during upgrades or maintenance projects.
• Easy procurement: Available through AmpState, supporting project timelines and stock planning.

Use cases and practical scenarios

• Upgrading aging panelboards or load centers where exact part-number continuity is required for compatibility and approvals.
• Engineering retrofit projects that aim to enhance protection without extensive rewiring or enclosure modification.
• Routine maintenance planning for electrical distribution networks in commercial and industrial facilities.

Need help confirming fit? Message AmpState and our team will verify compatibility with your enclosure and distribution scheme to ensure a seamless match for your electrical system.