Square D | LIL364008041 | Circuit Breaker | 400A | 3-Pole | 600V

The Square D LIL364008041 circuit breaker delivers dependable overcurrent protection for demanding 3‑phase systems. With a 400A rating in a 3‑pole configuration at 600V, it’s built for hard-wearing industrial environments where reliability and precise specification matching matter most. This unit is designed to slot into Square D installations that require the LIL form factor, providing a clear path to safe, consistent power distribution in your panel.

Key specifications

• Amperage: 400A
• Poles: 3‑Pole
• Voltage rating: 600V
• Part number: LIL364008041

Why this model stands out

When your maintenance, retrofit, or replacement project demands exact specifications, this unit delivers. The 400A, 3‑pole, 600V configuration is tailored for high‑current, three‑phase circuits, helping protect feeders and motors from overloads while fitting cleanly into compatible Square D panels. Using the precise part number ensures you’re selecting a breaker designed to integrate with the existing protection strategy without the guesswork that comes with generic replacements.

Ideal use cases

• Retrofits in industrial control panels where current ratings and phase configuration must align with existing wiring and bus setups
• Maintenance replacements in commercial or light industrial facilities that run large 3‑phase loads
• New installations in systems that require a robust 400A, 3‑pole, 600V protection device with a proven Square D lineage

Compatibility and buying tips

Note: Confirm fit and ratings before ordering. The part number LIL364008041 is your best reference for compatibility with your panel and protection scheme. If your equipment specifies a 400A, 3‑pole, 600V Square D breaker in the LIL family, this unit is designed to align with those requirements and help maintain consistent electrical protection across your installation.