ABB | T5N400TW | Circuit Breaker | 400A | 3-Pole | 600V | 25kA | Bolt-On

Meet the ABB T5N400TW—your bolt-on, three-pole circuit protection solution engineered for reliability in demanding industrial environments. This 400A device is designed to protect power feeds with precision, offering a robust 600V rating and a 25kA short-circuit interrupting capacity. For maintenance, retrofit, or replacement projects where exact specifications matter, the T5N400TW delivers consistent, dependable performance without extensive panel modification.

Direct-fit advantages for maintenance, retrofit and replacements

• Bolt-on mounting for fast, secure field installation and straightforward swap-outs during shutdown windows.
• Three-pole configuration provides balanced protection across all phases in 3-phase systems.
• 400A nominal rating suits feeder circuits, motor feeds, and distribution panels that require a sturdy, high-current breaker.
• 600V insulation rating broadens compatibility with standard industrial power networks.
• 25kA fault current rating helps safeguard equipment from high-energy faults, reducing the risk of damage in critical environments.
• Part number T5N400TW serves as the most reliable reference for matching replacement parts and ensuring compatibility.

Key specifications at a glance

• Amperage: 400A
• Poles: 3-Pole
• Voltage: 600V
• Interrupting rating: 25kA
• Mounting: Bolt-On

Who benefits from the ABB T5N400TW

Facilities pursuing reliable three-phase protection will find this unit well-suited for motor control centers, distribution panels, and service entrances where a direct, exact-match replacement is required. It’s ideal for technicians performing panel upgrades, equipment retrofits, or routine maintenance where downtime is minimized and compatibility is non-negotiable.

Practical guidance for installation and compatibility

Before ordering, verify that the T5N400TW matches your existing gear by using the part number as the primary compatibility reference. Confirm that the panel or enclosure supports bolt-on mounting and that 600V systems align with your site's voltage levels. For best results, follow standard electrical safety practices and the panel manufacturer’s installation guidelines to ensure secure mounting and proper electrical contact.

Ready for dependable, exact-mits replacement protection? Choose the ABB T5N400TW for a considered, purpose-built solution that aligns with your system’s specs and keeps critical power flowing with confidence.