ABB XT5HQ330ABFF000XXX Circuit Breaker, 300A, 3-Pole, 600V

The ABB XT5HQ330ABFF000XXX Circuit Breaker delivers dependable, industrial-grade protection for service entrances, maintenance panels, and replacement projects. With a 300 A rating, a three-pole configuration, and a 600 V capacity, this device is built to handle demanding three-phase applications while keeping your equipment and personnel safe.

Key Specifications at a Glance

• Current rating: 300 A
• Configuration: 3-pole for three-phase systems
• Voltage: 600 V
• Part number for compatibility: XT5HQ330ABFF000XXX

Why this breaker stands out

Designed for industrial environments, this ABB circuit breaker is purpose-built to protect power distribution in process plants, manufacturing lines, and large commercial facilities. The three-pole format simplifies integration into existing three-phase panels, reducing wiring complexity and ensuring synchronized protection across all phases. By verifying the fit with the exact part number, you can confidently match this unit to your application requirements and avoid compatibility surprises in the field.

Compatibility and Fit

Use the part number XT5HQ330ABFF000XXX to confirm compatibility with your equipment and panel design. If you’re unsure about fit or need help aligning the part with your specific application, reach out—we can assist in verifying compatibility and guiding you to the right solution.

Ideal Use Scenarios

• New industrial installations requiring robust three-phase protection
• Electrical service upgrades and panel refurbishments in factories or large facilities
• Replacement of aging breakers in maintenance projects to restore safe, reliable operation

Practical Considerations and Best Practices

When deploying the ABB XT5HQ330ABFF000XXX, align it with your three-phase distribution scheme to ensure balanced protection across all lines. Follow your facility’s maintenance program to inspect connections and verify tightness after installation. For ongoing reliability, store and handle spare units in a safe, dry environment and confirm any access constraints within your electrical room or switchgear enclosure.

What to expect in your system

With its industrial design and clear trip-path for 300 A circuits, this circuit breaker helps minimize downtime by providing fast, predictable protection against overloads and short circuits in three-phase networks. By choosing the exact part number—XT5HQ330ABFF000XXX—you’re prioritizing compatibility, traceability, and a straightforward cross-reference in future replacements or panel upgrades.

Note: Verify fit by part number and application requirements. If you need help matching a part number or confirming compatibility, message us and we’ll help.