Siemens 5SY63087 8A 3P 400V Circuit Breaker | AmpState

Protect three-phase power with precision using the Siemens 5SY63087 8A 3P 400V Circuit Breaker, now available from AmpState. This compact, three-pole device is purpose-built for circuit protection in panelboards, load centers, and broader electrical distribution networks, delivering dependable performance where reliability matters most.

• Manufacturer: Siemens
• Part Number: 5SY63087
• Product Type: Circuit Breaker
• Amperage: 8 A
• Poles: 3
• Voltage: 400 V
• Applications: Panelboards, load centers, electrical distribution
• Availability: Available from AmpState

The 3-pole, 400V design ensures balanced protection across all phases in a three-phase system, making it an ideal choice for small-to-moderate load protection within commercial or light-industrial environments. With an 8 A rating, it provides precise overcurrent protection that helps prevent nuisance trips while safeguarding wiring, components, and downstream equipment.

Why choose the Siemens 5SY63087 for your next project or maintenance operation? It’s built for direct compatibility with existing Siemens panelboards and distribution equipment, simplifying spare-stock management with exact part-number matching. This reduces downtime during replacements and ensures consistent actuation characteristics, so technicians experience predictable performance every time.

Who benefits most:

• Maintenance teams needing reliable, on-hand replacements tied to a specific part number
• Panel builders aiming for exact-fit components during assembly
• Facilities planners stocking spare inventory for quick field service

If you’re unsure about fit, AmpState offers support to verify compatibility with your Siemens panels and distribution setups, ensuring you get the right part the first time. For the Siemens 5SY63087 8A 3P 400V Circuit Breaker, accuracy and availability matter—as does keeping your electrical system protected and running smoothly.