Schneider Electric PJA36040U44A 400A 3P 600V Circuit Breaker | AmpState

Meet the Schneider Electric PJA36040U44A — a genuine 400 A, 3-pole, 600V circuit breaker designed for reliable protection in panelboards, load centers, and electrical distribution systems. Built to meet exacting specifications, this part is ready for replacement projects and serves as a dependable spare to keep your BOM aligned with the original part number.

• Authentic Schneider Electric part: PJA36040U44A ensures compatibility with existing installations and preserves system integrity.
• High-current protection: 400 A rating helps guard critical circuits from overloads and short circuits in commercial and industrial environments.
• Three-pole design: 3P configuration provides balanced protection across three phases, ideal for three-phase electrical systems operating at 600V.
• Direct replacement for BOM alignment: Use this exact part to maintain original documentation, service histories, and warranty traceability.
• Availability through AmpState: Easy procurement for maintenance planning and stocking spares.

Why this matters in real-world applications

• Replacement readiness: When a legacy breaker reaches end-of-life, swapping in the PJA36040U44A minimizes downtime and keeps the electrical distribution running smoothly.
• Preventive maintenance: Maintain a ready-to-install spare so routine service and panel upkeep never delays critical operations.
• Direct compatibility: Designed to fit in Schneider Electric panelboards and load centers that specify PJA36040U44A, reducing guesswork during retrofits or expansions.
• Safety and compliance: Using a genuine part helps ensure electrical protection aligns with manufacturer specifications and system safety standards.

Specs at a glance

• Manufacturer: Schneider Electric
• Part Number: PJA36040U44A
• Product Type: Circuit Breaker
• Amperage: 400 A
• Poles: 3
• Voltage: 600 V

Who should consider this part

• Facilities managers overseeing commercial or industrial electrical rooms.
• Electrical contractors performing panel upgrades, replacements, or expansions.
• Maintenance teams building a reliable spare stock aligned to original equipment BOM.
• OEMs integrating Schneider Electric protection devices into system designs.

Compatibility and support

If you’re unsure about fit or need confirmation of compatibility with your specific panel or BOM, AmpState is ready to assist. Our team can help verify that PJA36040U44A is the right match for your installation and keep your project on track.