Square D | LHP36400V | Circuit Breaker | 400A | 3-Pole | 36400V

Meet the Square D LHP36400V Circuit Breaker — a purpose-built, high-current protection device designed for demanding electrical systems. With a 400A rating and a 3-pole configuration, this breaker delivers coordinated, reliable interruption across a 36,400-volt distribution environment. It’s tailored for maintenance, retrofit, and replacement projects where precise compatibility matters.

• Amperage: 400A
• Poles: 3-Pole
• Voltage: 36400V
• Part reference: LHP36400V

Why this model stands out: the LHP36400V is built to align with compatible Square D panels and switchgear, delivering fast, predictable fault-current interruption and ensuring a safe, complete trip of all three phases. This makes it an excellent choice for high-demand industrial environments where unplanned outages can cascade into costly downtime—think large manufacturing lines, data-center infrastructure, and heavy electrical distribution systems.

Ideal use cases and scenarios:

• Direct-fit replacements in existing LHP frame systems to minimize retrofit complexity and downtime
• New installations requiring a robust, 400A, three-pole protection across a high-voltage distribution path
• Facility upgrades to improve reliability, fault-clearing performance, and overall electrical resilience

Compatibility and installation guidance:

• Always confirm fit and ratings before ordering—the part number LHP36400V is the best reference for compatibility with your equipment
• Assess your system’s bus configuration and interrupting capability to ensure alignment with downstream protections

Practical insights to maximize value:

• Coordinate protection settings with upstream devices to enable selective tripping and minimize service disruption
• Keep a ready spare of LHP36400V on hand to reduce downtime during maintenance or unexpected outages

Designed for professionals who demand dependable, high-capacity protection, the Square D LHP36400V Circuit Breaker delivers the performance and compatibility you need for critical, three-phase power distribution.