Square D | LAP26400 | Circuit Breaker | 400A | 2-Pole | 600V

Meet the Square D LAP26400 Circuit Breaker—a robust protection device designed for demanding electrical systems. With a 400 A rating, 2-Pole configuration, and a 600 V rating, this breaker is built to safeguard high-load circuits in industrial and commercial environments. Ideal for maintenance, retrofit, and replacement projects, it delivers precise protection when exact specifications matter.

Specifications at a glance

• Amperage: 400 A
• Poles: 2-Pole
• Voltage: 600 V
• Part reference: LAP26400 (best reference for compatibility)

Why this LAP26400 stands out

Choosing the LAP26400 means aligning with Square D’s proven protection platform. The 400 A capacity ensures reliable interruption for heavy-duty circuits, while the 2-pole design provides simultaneous protection for both legs of a multiwire circuit. The 600 V rating makes it suitable for higher voltage applications common in industrial panels and commercial electrical rooms. Since the part number is the strongest compatibility reference, confirming LAP26400 matches your existing equipment is the fastest way to avoid compatibility issues.

Ideal use scenarios

• Maintenance: replace aging breakers in service panels to restore reliable protection with minimal downtime.
• Retrofit: upgrade or expand electrical capacity in facilities that require a 400 A, 2-Pole, 600 V solution.
• Replacement: swap in a like-for-like LAP26400 where exact specs are mandated by the panel design.

How to verify and install with confidence

Before ordering, double-check that your equipment calls for a 400 A, 2-Pole, 600 V Square D breaker and that the LAP26400 part number matches the compatibility references for your panel or device. Use the part number as the primary reference when cross-checking with schematics, factory lists, or maintenance manuals. For installation, rely on a qualified electrician to ensure proper mounting, wiring, and safe startup after replacement or retrofit.

Designed for peak reliability in demanding electrical environments, the Square D LAP26400 Circuit Breaker is the precise, compatible choice when you need solid protection without compromise.