Square D | LIL26400 | Circuit Breaker | 400A | 2-Pole | 600V

The Square D LIL26400 Circuit Breaker delivers dependable overcurrent protection for demanding electrical environments. With a robust 400A rating and a 2-pole design, this breaker is engineered for 600V applications, making it an ideal choice for service panels, main disconnects, and retrofit or replacement projects where exact specifications matter.

• Amperage: 400A — designed to handle high-load feeders and motor-driven equipment.
• Poles: 2-Pole — provides simultaneous interruption of both conductors for safer, code-compliant protection.
• Voltage: 600V — suitable for a wide range of industrial and commercial power distribution scenarios.
• Part Reference: LIL26400 — using the exact part number ensures reliable compatibility and easier cross-referencing in equipment inventories.
• Fit & Application — intended for Square D panels and other enclosures that support the LIL series breakers, making it a trusted replacement option during upgrades or repairs.

Why this LIL26400 matters for your electrical system

When upgrading or maintaining power distribution, you need a breaker that aligns precisely with your panel’s ratings and connection geometry. The LIL26400’s 400A, 2-pole, 600V specifications unlock reliable protection for heavy feeders, large motors, and critical circuits without compromising safety or performance. This makes it a practical choice for facilities managers, electrical contractors, and maintenance teams responsible for keeping industrial and commercial systems running smoothly.

Practical guidance for installation and compatibility

• Before ordering, verify that your panel labeling supports a 400A, 2-pole, 600V device and that the LIL26400 is the correct cross-reference for your system.
• Use the part number LIL26400 as your primary reference to match the exact breaker style, mounting, and terminal configuration required by your enclosure.
• Plan for retrofit scenarios by confirming the mechanical fit, trip characteristics, and any required adapters or panel modifications with your electrical distributor or panel manufacturer.

Whether you’re performing a retrofit, routine maintenance, or a panel upgrade, the Square D LIL26400 Circuit Breaker delivers the dependable protection you expect from a trusted, long‑standing brand. Its precise 400A, 2-pole, 600V configuration helps ensure safe interruption of faults and reliable service continuity across demanding electrical installations.