Square D | PKA36040U31A | Circuit Breaker | 400A | 3-Pole | 600V

Explore reliable protection with Square D PKA36040U31A, a 400A, 3-pole circuit breaker designed for 600V systems. This unit is ideal for maintenance, retrofit, and replacement projects where exact specifications matter, delivering dependable interruption and control for industrial electrical distribution.

• Amperage: 400 A
• Poles: 3-Pole
• Voltage: 600 V

Why this exact part matters

• Exact fit: The part number PKA36040U31A provides the precise reference you need for compatibility with Square D panels that accept this specification, reducing guesswork during replacements.
• Robust protection for high-current feeders: Engineered to interrupt and protect large distribution paths, helping prevent damage to downstream equipment in demanding environments.
• Efficient retrofit capability: Designed for straightforward replacement in compatible assemblies, helping minimize downtime during maintenance or panel upgrades.
• Clear fit guidance: Always verify compatibility by matching the part number to your panel label or service documentation.

Who this is for and practical use cases

• Industrial facilities and plants with 600V distribution networks seeking a reliable 400A, 3-pole protection solution.
• Technicians performing maintenance, retrofits, or replacements in commercial or industrial panels that require exact part-number matching.
• Electrical distributors or service teams stocking spare parts for Square D systems to minimize downtime during outages.

Important fit note

Before ordering, confirm fit and ratings for your specific panel. The part number PKA36040U31A is the best reference for compatibility, ensuring you obtain a compliant, reliable replacement that integrates smoothly with your existing equipment.