CKD3400F | Circuit Breaker | 400A | 3-Pole | 600V

Meet CKD3400F, a purpose-built industrial circuit breaker designed for reliability and precise compatibility in demanding electrical environments. This unit delivers 400A of protection across 3 poles at 600V, making it an ideal choice for maintenance, retrofit, and replacement projects where exact specifications matter.

• Exact spec alignment: 400A rating, 3-pole configuration, and 600V capability ensure a seamless drop-in for compatible panels and feeders, preserving intended trip characteristics and protection coverage.
• Retrofit-ready and maintenance-friendly: Engineered for straightforward substitutions in existing installations, helping you minimize downtime during upgrades or service work.
• Reliable industrial protection: Built to withstand demanding operating conditions, delivering consistent overcurrent protection for motors, feeders, and distribution circuits.
• Clear compatibility reference: The part number CKD3400F serves as the primary reference for matching against equipment manuals and legacy schematics, reducing guesswork in procurement.

Who should consider CKD3400F?

• Maintenance teams replacing worn breakers in factory controls, switchgear, or distribution panels.
• OEMs performing panel retrofits or equipment upgrades that require a precise 400A, 3-pole, 600V protective solution.
• Electrical distributors and integrators sourcing exact-spec components for customer projects that demand dependable, specs-accurate performance.

Practical use cases and scenarios

• Upgrading a manufacturing line’s main feeder where a robust 400A, 3-pole, 600V breaker ensures consistent protection during high-load operation.
• Replacing an aging breaker in a 600V control panel to restore reliable fault protection without extensive panel modification.
• Spec-driven retrofits where matching the original equipment’s amperage, pole count, and voltage is essential for compatibility and safety.

Shopping guidance

• Always confirm fit and ratings before ordering to avoid incompatibility with your equipment.
• Rely on the CKD3400F part number as the strongest reference to ensure correct replacement and optimal performance.
• Document the system requirements—amperage, pole count, and voltage—to align your protection strategy with the overall electrical design.

Specifications at a glance

• Amperage: 400A
• Poles: 3-Pole
• Voltage: 600V
• Part number: CKD3400F