ABB XT5LQ330AFFF000XXX Circuit Breaker, 300A, 3-Pole, 600V

Meet the ABB XT5LQ330AFFF000XXX circuit breaker—a purpose-built solution for demanding industrial electrical service, maintenance, and replacement projects. Designed to protect three‑phase power systems with precision, this unit combines robust current handling with dependable 600 V service capability, making it a reliable backbone for your distribution panels and equipment protection strategy.

• Current rating: 300 A
• Poles: 3 (three‑pole design for balanced three‑phase protection)
• Voltage rating: 600 V
• Part number: XT5LQ330AFFF000XXX (use this exact identifier to confirm compatibility with your panel and application)
• Intended use: industrial electrical service, maintenance, and replacement projects
• Compatibility note: Verify fit by part number and application requirements

Why this ABB circuit breaker stands out for industrial setups

This ABB unit is purposefully engineered to deliver reliable short‑circuit and overcurrent protection in environments where downtime isn’t an option. The three‑pole configuration ensures coordinated protection across all phases, helping to safeguard motors, drives, and other critical loads in manufacturing floors, processing plants, and large commercial facilities. With a 600 V rating, it’s compatible with a broad range of industrial power distribution schemes, providing a dependable safeguard against unexpected faults.

Ideal use cases and scenarios

• Replacing aging or failed breakers in existing 3‑phase panels to restore dependable fault protection
• Integrating into new installations for manufacturing lines, conveyors, and processing equipment that run on 3‑phase power
• Stocking spare parts for maintenance programs to reduce downtime during service windows

What beyond the specs matters to you

Choosing the exact part number ensures compatibility with your current panel design and accessory fitments. The XT5LQ330AFFF000XXX is intended for industrial contexts where consistent performance, predictable tripping behavior, and durable construction are essential. If you’re uncertain about fit, our team is ready to help verify compatibility using the part number against your application requirements.

Ready to move forward? Reach out with the exact part number to confirm fitment against your equipment, panel type, and three‑phase configuration. This approach minimizes risk and accelerates procurement for maintenance and upgrade cycles, helping you keep operations running smoothly.