Schneider Electric | CJ400H | Circuit Breaker | 400A | 3-Pole | 600V

Schneider Electric CJ400H circuit breaker is a robust protection device designed for demanding industrial electrical systems. With a 400A rating and a 3-pole configuration, it delivers dependable protection for three‑phase feeders up to 600V, making it a solid choice for maintenance, retrofit, and replacement projects where exact specifications matter. Key specifications at a glance: - Amperage: 400A - Poles: 3-Pole (three-phase) - Voltage: 600V - Part number: CJ400H - Best reference for compatibility: CJ400H ensures you’re aligning with the original design and footprint Why this model matters for your project: - Precise replacement: When downtime is costly, matching the exact CJ400H model preserves the original electrical characteristics and fit. - Retrofit and expansion: Ideal for retrofits and upgrades in existing Schneider Electric installations, ensuring seamless integration with your current protection scheme. - Legacy panel compatibility: Designed to align with legacy gear that requires the CJ400H specification, reducing guesswork during part swaps. Ideal use scenarios: - Maintenance swaps for aging or failed circuit breakers in 3-phase 600V systems. - Retrofit projects where ongoing equipment protection must match the original CJ400H rating and footprint. - Replacement part for critical feeders in industrial panels that rely on Schneider Electric components. Practical considerations: - Always confirm fit and ratings before ordering. The CJ400H part number is the most reliable reference to ensure compatibility with your panel and system requirements. - This model is suited for three-phase electrical networks operating up to 600V, delivering reliable overcurrent protection for demanding applications. In short, the Schneider Electric CJ400H is a purpose-built, ready-to-install solution for maintaining, updating, or replacing 3‑pole 600V circuit protection with exact specifications you can trust.