ABB XT5HU340ABYN000XXX Circuit Breaker, 400A, 3-Pole

The ABB XT5HU340ABYN000XXX Circuit Breaker is a 400 A, 3-Pole device engineered for industrial electrical service, maintenance, and replacement projects. Built to integrate with three-phase power distribution, this breaker safeguards equipment and personnel by interrupting fault currents and preventing cascading failures during overloads or short circuits. Use the part number to confirm compatibility with your specific application.

Key advantages

• 400 A rating provides robust protection for demanding industrial circuits and equipment loads.
• 3-pole configuration supports balanced protection across three-phase power systems, ensuring reliable distribution in busy industrial environments.
• Part-number driven compatibility — XT5HU340ABYN000XXX helps you verify exact fit with your panel or switchgear; always match the part number to your application requirements.
• Optimized for service, maintenance, and replacement projects, enabling quick swaps and minimizing downtime in critical industrial settings.
• ABB-built reliability designed to endure the rigors of industrial operation and maintain consistent performance over time.

Ideal use cases

Hook this 400 A, 3-pole breaker into industrial control panels, switchgear, and distribution boards in manufacturing plants, processing facilities, and other facilities relying on stable three-phase power. It’s a practical choice for new installations as well as upgrading aging protection devices, helping you meet safety standards and keep production moving smoothly.

Compatibility and expert support

To confirm a perfect fit, verify the part number XT5HU340ABYN000XXX against your application requirements. If you need help matching a part number or confirming compatibility, send us a message and our team will assist with identifying the correct fit and confirming mounting and operating parameters for your system.