ABB XT5LU330ABFN000XXX Circuit Breaker, 300A, 3-Pole, 600V

Engineered for demanding industrial environments, the ABB XT5LU330ABFN000XXX circuit breaker delivers dependable overload protection in a rugged 3-pole, 300 A package designed for distribution across 600 V systems. As part of the XT5 family, this MCCB (molded case circuit breaker) is built to handle the wear and variability of service, maintenance, and replacement projects in heavy-traffic electrical rooms, motor control centers, and power distribution panels.

• Series: XT5
• Amperage: 300 A
• Poles: 3
• Voltage: 600 V
• Part Number: XT5LU330ABFN000XXX
• Product Type: Circuit Breaker

Why this specific part matters
Compatibility is tied to the exact part number and the application requirements. The XT5LU330ABFN000XXX is designed to be a direct-fit option for XT5-based installations, helping you preserve existing wiring and panel configurations while restoring reliable protection. If you’re unsure about fit, you can reference the part number against your equipment documentation or reach out for expert confirmation.

Who this is for

Ideal for facilities with 600 V three-phase distribution, including manufacturing lines, processing plants, utility and energy sectors, and aging panels undergoing upgrades. It’s a practical choice for maintenance teams performing service replacements or parts stocking for critical power infrastructure.

Use cases and practical scenarios

• Direct-fit replacement in existing XT5-based panels during routine maintenance or after a fault.
• Upgrading older protection devices in motor control centers to ensure compatible trip characteristics with current equipment.
• Spare-part planning for facilities with a standardized XT5 component set, reducing downtime when components fail.

What sets it apart

The combination of a precise part number (XT5LU330ABFN000XXX) and XT5 series engineering provides a dependable, system-wide match for compatible installations. This reduces the risk of mismatches that can arise from generic substitutes, and supports consistent performance across your distribution network.

How to proceed
Verify fit by comparing the part number to your bill of materials and ensure the application requirements (voltage, phase configuration, and panel compatibility) align with 600 V, 3-pole, 300 A protection. If you need help confirming compatibility with your specific setup, a quick message to our team will get you expert guidance tailored to your installation.