ABB | JS-3P-400A-DC | Circuit Breaker | 400A | 3-Pole

ABB JS-3P-400A-DC Circuit Breaker delivers reliable, three-pole protection for demanding electrical installations. Designed for maintenance, retrofit, and replacement projects, this device ensures you can restore or upgrade your system with a precise, compatible component that matches your existing specs.

• Amperage: 400A
• Poles: 3-Pole
• Model: JS-3P-400A-DC
• Brand: ABB

Why this model stands out: the JS-3P-400A-DC is a purpose-built fit for three-phase systems requiring a 400A capacity. Its exact part number provides a predictable footprint, trip characteristics, and mounting pattern, simplifying replacements and retrofits in panels that rely on ABB specifications. By choosing the precise model, you minimize downtime and research time you’d spend chasing an imperfect match.

Ideal use cases:

• Maintenance work on existing ABB panels that require a compatible 400A, 3-pole protection device
• Retrofits where upgrading to a higher-performance or more current-appropriate breaker is needed without changing other components
• Replacement scenarios aiming for a direct, drop-in substitute that preserves system behavior and protection schemes

Important compatibility notes: Before ordering, confirm fit and ratings to ensure seamless integration. The part number JS-3P-400A-DC is the best reference for compatibility, helping you verify mounting, electrical characteristics, and overall agreement with your panel and protection scheme.

With ABB’s engineering behind it, this 400A, 3-pole circuit breaker is a practical choice for professionals who value precise part matching, dependable protection, and streamlined procurement for ongoing maintenance and upgrades.