Square D | LEP36400LI | Circuit Breaker | 400A | 3-Pole | 600V

Meet the Square D LEP36400LI circuit breaker — a purpose-built 400A, 3-pole, 600V protective device designed for dependable service in demanding electrical distributions. Built for maintenance, retrofit, and replacement projects where exact specs matter, this unit slides into compatible Square D panels with minimal downtime.

Key benefits

• Precise compatibility: Use the part number LEP36400LI as the definitive reference to ensure a perfect fit in your panel and protection scheme.
• Robust protection for three-phase systems: 400A rating provides reliable fault interruption and load management for medium-to-large electrical loads.
• 600V operational capability: Suitable for industrial or commercial circuits that require higher voltage handling with proven interrupting capability.
• Designed for retrofit and replacement: Ideal when upgrading or restoring service in existing installations without a complete panel change.
• Low downtime: Engineered for quick swap-in in compatible Square D assemblies, helping facilities maintain uptime during upgrades.

Specifications

• Amperage: 400A
• Poles: 3-Pole
• Voltage: 600V

Ideal use cases

• Maintenance projects where an exact 400A, 3-pole, 600V protection device is required within existing Square D installations.
• Retrofit scenarios to upgrade older panels without changing the overall protection strategy.
• Replacement of a failed breaker in compatible Square D systems, ensuring continuity of protection and load management.

Procurement guidance

• Always confirm fit and ratings before ordering—the LEP36400LI part number is your best compatibility reference.
• Review your panel labeling to ensure the trip characteristics and interrupting requirements align with system demands.
• When in doubt, engage a licensed electrician to verify installation compatibility and safe wiring practices.