Siemens 3VA63408HL310AA0 400A 3P 480V Circuit Breaker | AmpState

The Siemens 3VA63408HL310AA0 is a high-capacity, three-pole circuit breaker designed to deliver reliable, uninterrupted protection for demanding electrical systems. With a 400 A rating at 480 V, this unit is built for industrial and commercial panelboards, load centers, and comprehensive electrical distribution networks where dependable fault interrupting is essential.

Designed with retrofit and maintenance in mind, this model lets you preserve exact part-number continuity during upgrades or service work. That means fewer compatibility concerns, faster replacements, and smoother project timelines when you’re upgrading or maintaining existing infrastructure.

Why this Siemens model stands out

• Robust 400 A, 3-pole protection: Strong, reliable interruption for three-phase distribution systems at 480 V.
• Retrofit-friendly part number: Keeps your maintenance and upgrade projects on track by preserving the same part number across installations.
• Versatile for panelboards and load centers: A trusted choice for centralized electrical distribution where space, protection, and coordination matter.
• What you gain: Minimized downtime during replacements, clearer maintenance planning, and consistent protection across your network.

Key specifications

• Manufacturer: Siemens
• Part number: 3VA63408HL310AA0
• Product type: Circuit Breaker
• Amperage: 400 A
• Poles: 3
• Voltage: 480 V

Ideal use cases

• Upgrading industrial panelboards and commercial distribution boards that operate on 3-phase 480 V systems.
• Retrofit projects where maintaining an exact part number simplifies procurement and compatibility with existing components.
• Maintenance planning for facilities with high electrical loads, where reliable fault protection is critical to uptime.

Availability and expert support

AmpState stocks this exact Siemens model, ensuring you can source the precise part you need for your retrofit or maintenance project. If you’re unsure about fit or compatibility with your specific panel or distribution setup, our team can help verify a proper match for seamless installation and ongoing protection.