Eaton | 1256C10G04 | Circuit Breaker | 400A

Eaton 1256C10G04 Circuit Breaker — 400A is a high-current protective solution designed for maintenance, retrofit, and replacement projects where exact specifications matter. This 400-ampere device from Eaton delivers dependable protection for demanding electrical systems, helping you keep critical operations up and running.

• Amperage: 400 A — suitable for heavy-duty feeders and main circuits in commercial and industrial panels
• Model reference: 1256C10G04 — the definitive reference for compatibility with Eaton equipment
• Purpose: ideal for maintenance, retrofit, and replacement to restore or upgrade protection without overhauling existing gear
• Identification: clear part-number-based sourcing reduces guesswork and accelerates procurement

Why this Eaton breaker stands out

Unlike generic substitutes, this model is built to align with Eaton’s design standards, ensuring reliable trip performance and long-term durability in high-current applications. By matching the exact part number (1256C10G04), you minimize compatibility risk and simplify future maintenance or replacements in Eaton-based systems.

Ideal use scenarios

• Upgrading an aging distribution panel to meet current load requirements without changing the surrounding infrastructure
• Replacing a failed or worn-out breaker within an Eaton-equipped electrical setup
• Executing retrofit projects where consistent high-current protection is essential for safety and reliability

Fit, rating, and compatibility guidance

Before ordering, confirm fit and ratings for your specific panel or switchgear. The 1256C10G04 is identified by its part number, which serves as the best reference for compatibility with Eaton systems. Verifying these details helps ensure seamless installation and consistent protective performance.

What you get

1 x Eaton 1256C10G04 Circuit Breaker (400A) — ready for installation in compatible Eaton panels and configurations.

For facilities managers, technicians, and panel builders, this breaker provides a precise, reliable solution that aligns with Eaton’s engineering standards and your high-current protection needs.