Square D | LI36400CBA | Circuit Breaker | 400A | 3-Pole | 600V

Square D LI36400CBA Circuit Breaker — a rugged, high-capacity solution designed for demanding three‑phase electrical distributions. With a 400A rating and 3 poles, this 600V breaker provides reliable protection for large panel boards, service entrances, and industrial applications where precise specs matter.

Key specifications

• Amperage: 400A
• Poles: 3‑Pole
• Voltage: 600V
• Part number: LI36400CBA

Why this particular unit stands out

In environments where heavy‑duty, three‑phase protection is non‑negotiable, the LI36400CBA delivers consistent performance aligned to its exact specifications. This makes it an ideal choice for maintenance, retrofit, and replacement tasks where matching specs is essential to preserve system safety and reliability. The part number LI36400CBA serves as the primary reference for compatibility, so confirming fit and ratings before ordering is a smart step to avoid mismatches.

Best-use scenarios

• Upgrading or replacing aging three‑pole breakers in 600V distribution panels that require a 400A capacity.
• Retrofit projects where existing equipment relies on a precise LI36400CBA specification to maintain electrical protection schemes.
• Maintenance tasks that depend on exact Ampere, pole count, and voltage ratings to ensure continuous, compliant operation.

Practical guidance for a smooth fit

• Verify the panel’s labeling and documentation to confirm that the LI36400CBA is the correct reference for your system.
• Use the part number as the definitive guide to compatibility; even small changes in amperage, pole count, or voltage can affect performance and safety.
• Prepare for replacement by matching not only the ratings but the mounting and bus configuration as specified by your existing installation.

For those responsible for reliable, high‑current electrical distribution, the Square D LI36400CBA offers a precise, dependable option when 600V, 400A, 3‑pole protection is required. Confirm fit and ratings prior to purchase, and rely on the LI36400CBA as the best reference point for compatibility in your setup.