JKDN400 | Circuit Breaker | 400A | 600V

Introducing JKDN400, an industrial circuit breaker engineered for reliability in demanding power systems. With a 400A current rating and a 600V maximum, it delivers dependable overcurrent protection in manufacturing floors, distribution panels, and control centers.

Designed for maintenance, retrofit, and replacement projects where exact specifications matter, JKDN400 ensures your equipment stays online and safe. This part number is the best reference for compatibility, making it easier to source a like-for-like replacement that fits your panel’s form factor and electrical ratings.

• Key specifications: Amperage — 400A; Voltage — up to 600V. Use within these limits to maintain protective performance.
• Ideal use cases: Replacement in existing industrial panels, retrofit to newer safety standards, and spare parts in maintenance inventories to minimize downtime.
• Why it matters: Precise compatibility reduces guesswork during repairs, ensuring the right footprint, terminals, and mounting arrangement match your current setup.
• Compatibility guidance: Confirm fit by matching the panel’s mounting style, terminal configuration, and rated voltage/current. Rely on JKDN400 as the primary reference to ensure you’re selecting the correct form, fit, and rating.

Who should consider JKDN400? Maintenance teams, plant engineers, panel builders, and OEMs who need dependable protection for industrial circuits at up to 600V and 400A. It’s a practical addition to your spare parts strategy, keeping critical lines safeguarded against overcurrent events while you plan long-term upgrades.

Note: Always verify fit and ratings before ordering. This item is cataloged as JKDN400 to facilitate accurate compatibility checks across compatible panels and equipment.