Arista PWR-1511-DC-BLUE | 1500W DC Power Supply, 1RU, Reverse Airflow, 73.5mm

Q: What does the BLUE designation mean on this power supply?
A: The BLUE handle color indicates reverse airflow direction (rear-to-front or back-to-front airflow). This ensures compatibility with Arista switches configured for reverse cooling, commonly used in data centers with specific hot-aisle/cold-aisle configurations.

Q: Which Arista switches are compatible with the PWR-1511-DC-BLUE?
A: This power supply is compatible with Arista 7000 Series 1RU switches including 7050X4 Series, 7060X5 Series, and 7280R3 Series platforms. Always verify airflow direction matches your switch configuration before installation.

Q: What is the input voltage requirement for this DC power supply?
A: The PWR-1511-DC-BLUE operates on -48V to -60V DC input, which is standard for telecom-grade DC power systems. The unit is designed for high availability environments requiring redundant DC power sources.

Q: Can I mix AC and DC power supplies in the same switch?
A: While Arista switches typically support redundant PSU configurations, you should consult the specific switch datasheet to confirm mixed AC/DC PSU support. Airflow direction (RED vs BLUE) must always match across both PSUs in a redundant configuration.

Q: What is the efficiency rating of this power supply?
A: The PWR-1511-DC series features Platinum-level efficiency at approximately 92-94%, reducing power consumption and heat generation while lowering operational costs in large-scale deployments.