ABB XT5HU340AFFF000XXX Circuit Breaker, 400A, 3-Pole, 600V

The ABB XT5HU340AFFF000XXX circuit breaker is a robust, industrial-grade solution designed to protect power circuits in demanding environments. With a 400 A rating and a 3-pole configuration for 600 V systems, this unit is engineered to handle heavy load demands while providing reliable fault interruption when it matters most. Ideal for industrial electrical service, maintenance, and replacement projects, it delivers dependable protection to keep equipment and personnel safe.

• Amperage: 400 A
• Poles: 3
• Voltage: 600 V
• Part Number: XT5HU340AFFF000XXX
• Intended Use: Suitable for industrial electrical service, maintenance, and replacement projects
• Compatibility Note: Verify fit by part number and application requirements to ensure seamless integration with your setup

Why this ABB transformer-style circuit breaker stands out is its focus on real-world industrial needs. It supports reliable protection for feeders, motor circuits, and distribution panels operating at up to 600 V, helping minimize downtime and prevent damage from overloads or short circuits. The 3-pole design provides comprehensive breaker control across three phases, making it well-suited for complex electrical feeds in manufacturing, facilities, and process systems.

Practical use scenarios include upgrading an aging panel, replacing a failed disconnect, or coordinating with existing ABB equipment in an established electrical room. When selecting this part, ensure the application requirements match the 400 A, 3-pole, 600 V specifications, and confirm the part number aligns with your equipment catalog.

If you need help confirming compatibility or matching a part number to your exact installation, send us a message and we’ll assist with precise alignment to your application.