Schneider Electric | A9N19827 | Circuit Breaker | 125A | 4-Pole | 400V

Meet the Schneider Electric A9N19827 circuit breaker—precision protection designed for demanding electrical environments. Built for reliability in maintenance, retrofit, and replacement scenarios, this 125A, 4-pole device is purpose-built for 400V systems, delivering dependable overcurrent protection where it matters most. When time is critical in upgrading or repairing panels, the A9N19827 provides a proven reference point for compatibility and performance.

• Amperage: 125 A
• Poles: 4-Pole
• Voltage: 400 V
• Part number: A9N19827

Why this Schneider Electric model stands out

What sets the A9N19827 apart is its fit-for-purpose design for 4-pole protection in 400V networks, combined with Schneider Electric’s legacy of electrical reliability. This isn’t a generic replacement part—it's a purpose-mpecified solution that aligns with standard Schneider panels and systems, making it a trusted choice for field technicians and maintenance teams.

• ideal for maintenance, retrofit, and replacement where exact specifications matter.
• Clear compatibility reference: the part number A9N19827 is the most reliable indicator of fit and ratings—verify this before ordering.
• System versatility: suitable for 400V, four-pole protection in three-phase networks that also require a neutral path.

Practical use cases and benefits

Use this circuit breaker where you need robust protection aligned with Schneider Electric systems. It’s well-suited for industrial control panels, commercial electrical distributions, and retrofit projects that demand consistency with existing equipment. The 4-pole design helps safeguard both phase conductors and the neutral path, simplifying panel layout and improving fault isolation in three-phase applications.

• Maintenance scenarios: replace aging units to restore reliable trip performance without reconfiguring panels.
• Retrofit projects: upgrade to a 400V, four-pole solution to match updated electrical infrastructure.
• Spare-part strategy: keep A9N19827 on hand as a standard, compatible reference for future service needs.

Installation and compatibility tips

To ensure a smooth fit, confirm the breaker’s ratings match your panel specifications and that the part number aligns with your documentation. Since the A9N19827 is the primary reference for compatibility, always check the equipment’s service manuals or manufacturer’s database before ordering to avoid mismatches.

Who should consider this model

Electrical professionals overseeing industrial or commercial distribution panels, technicians performing panel retrofits, or facilities teams seeking reliable spare parts will find value in the A9N19827. Its precise amperage, four-pole configuration, and 400V rating make it a practical, ready-to-install choice for compatible Schneider Electric systems.

Choose the Schneider Electric A9N19827 circuit breaker for a dependable, purpose-built solution that aligns with your 400V, four-pole protection needs. Remember: confirm fit and ratings before ordering—the part number is the best reference for compatibility.