Arista PWR-3351-AC-RED | 3300W AC Power Supply, Hot-Plug, 94% Efficiency

Q: Which Arista switches are compatible with the PWR-3351-AC-RED?
A: This power supply is designed for the Arista 750X Series modular campus switches, specifically the CCS-755 (5-slot) and CCS-758 (8-slot) chassis. It supports configurations with CCS-750X line cards including models like CCS-750X-48ZP-LC.

Q: How many PWR-3351-AC-RED power supplies can I install in my switch?
A: The CCS-755 supports up to 6 power supplies, while the CCS-758 supports up to 10 units. Multiple PSUs enable redundant power configurations for high availability, with each supply wired to independent power feeds (A or B) as recommended.

Q: Can I replace the power supply without shutting down the switch?
A: Yes, the PWR-3351-AC-RED is hot-swappable and field-replaceable without powering down the chassis or interrupting network operations, provided you maintain minimum required PSU counts for your configuration.

Q: What does the red handle on this power supply indicate?
A: The red handle color indicates the airflow direction of the power supply. It's important to install power supplies with the correct airflow direction to maintain proper cooling and thermal management within the chassis.

Q: What type of power cable do I need for this PSU?
A: The PWR-3351-AC-RED uses C20 power inlet connectors. Power cables are included with the Arista 750X Series accessory kit. You'll need appropriate C19-to-C20 or standard AC-to-C20 cables depending on your data center power infrastructure.