Square D | LEL36400LSG | Circuit Breaker | 400A | 480V

Powerful, reliable overcurrent protection for demanding electrical systems, the Square D LEL36400LSG circuit breaker delivers 400A at 480V with the quality and precision you expect from Square D. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, this device ensures seamless integration into compatible panels and switchboards.

• Amperage: 400 A
• Voltage: 480 V
• Brand: Square D
• Part number: LEL36400LSG
• Use cases: maintenance, retrofit, and replacement in systems requiring exact specs
• Compatibility note: Confirm fit and ratings before ordering; the part number is the best reference for compatibility

Why this breaker stands out

Unlike generic replacements, the LEL36400LSG is a genuine Square D component with precise electrical characteristics designed to mesh with your existing Square D panels and distribution systems. Its 400A capacity at 480V supports high-demand applications while preserving the protective performance you rely on in critical operations. This is the kind of device that minimizes compatibility risk and downtime when upgrading or maintaining infrastructure.

Ideal for

• Facilities managers and plant engineers upgrading electrical room capacity or reliability
• Electrical contractors performing retrofit work or panel replacements
• Industrial environments where consistent, standards-compliant overcurrent protection is essential

Use scenarios and practical considerations

• Maintenance: replace a failed or degraded breaker with an exact 400A, 480V match to restore normal operation quickly
• Retrofit: modernize panels that require a 400A, 480V Square D device without redefining wiring or safety clearances
• Replacement: swap in the LEL36400LSG when updating specifications or refurbishing legacy equipment

Installation and care tips

• Always verify panel compatibility and rating alignment using the part number LEL36400LSG as the primary reference
• Handle with appropriate safety precautions and follow manufacturer installation guidelines to ensure secure terminations
• Store and transport in a clean, dry environment to preserve performance until installation

When you need dependable, exact-match protection for 480V systems, the Square D LEL36400LSG delivers the targeted performance that pros demand. Its precise specifications, combined with genuine Square D reliability, help you protect equipment, uptime, and safety across industrial and commercial applications.