Square D | LHF26400V | Circuit Breaker | 400A | 2-Pole | 26400V

Meet the Square D LHF26400V circuit breaker, a rugged 400A, 2-pole device engineered for demanding industrial power systems. With a 26,400V rating, this unit is built to protect high-energy feeders and critical equipment in commercial and manufacturing environments. Designed for maintenance, retrofit, and replacement projects, it helps you keep systems online with confidence. Remember: confirm fit and ratings before ordering—the LHF26400V part number is the best reference for compatibility.

Key benefits and what makes it unique

• High-current performance: 400A continuous rating supports large loads and keeps distribution stable under peak demand.
• Two-pole protection: Balanced line protection minimizes wiring complexity and maintains proper phase integrity in three-phase systems.
• Industrial voltage compatibility: 26,400V rating makes it suitable for heavy-duty power distribution, switchgear, and panel boards in larger facilities.
• Trusted Square D build: Proven reliability and durable construction designed for challenging environments.
• Precise reference for replacements: Use the LHF26400V part number to ensure you’re matching the exact specifications, footprint, and trip characteristics in your equipment.

Ideal applications and use cases

• New installations or upgrades in manufacturing floors, data centers, or large commercial facilities requiring robust high-voltage protection.
• Maintenance intervals where exact spec replacement keeps panels compliant and operating safely.
• Retrofit projects that replace aging breakers with matching amperage, pole count, and voltage to minimize panel modifications.
• Main feeders and critical load centers that demand reliable interruption protection during faults.

How to verify compatibility: cross-check your equipment’s panel or switchgear model, confirm the system voltage is within 26,400V, and verify a 400A, two-pole configuration is required. Always reference the exact part number—LHF26400V—for compatibility, and consult the equipment’s documentation or a qualified electrician before purchasing.

With the Square D LHF26400V circuit breaker in your inventory, you gain a dependable, high-capacity protection solution for demanding electrical environments. It’s purpose-built to keep heavy power systems protected, compliant, and running smoothly through routine maintenance, retrofits, and essential replacements.