ABB XT5HU340AFYN000XXX 400A 3P 600V Circuit Breaker | AmpState

The ABB XT5HU340AFYN000XXX is a rugged 400 A, 3-pole, 600 V circuit breaker designed to deliver reliable overcurrent protection in panelboards, load centers, and electrical distribution systems. Built to match ABB’s original specifications, it’s the ideal choice for precise BOM alignment and seamless integration into existing installations.

Key specifications and attributes

• Amperage: 400 A
• Poles: 3-pole design (three-phase protection)
• Voltage rating: 600 V
• Manufacturer: ABB
• Part number: XT5HU340AFYN000XXX
• Application: Circuit protection in panelboards, load centers, and electrical distribution

Why this ABB circuit breaker stands out

Designed to slot into equipment that requires the exact original ABB part number, this XT5HU340AFYN000XXX minimizes field surprises during replacements. By preserving BOM continuity, it helps you avoid re-engineering your electrical distribution and keeps spare stock consistent with the equipment’s documented configuration.

Ideal use cases

• Replacement projects where the original ABB part needs to be matched precisely
• Stocking spares to ensure rapid downtime recovery without BOM discrepancies
• Repairs and upgrades in panelboards and load centers that service three-phase electrical systems

Compatibility and support

If you’re unsure about fit or compatibility, AmpState offers guidance to confirm the right part number for your system. Need help matching a part number or confirming compatibility? Message us and we’ll help you verify fit against your equipment’s BOM and panel specifications.

Choose the ABB XT5HU340AFYN000XXX for trustworthy, part-number-consistent circuit protection that aligns with your original design intent, backed by AmpState’s availability and expert support.