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The PWR-760AC is a spare 760W AC power supply for the Arista 7100 Series. It fits the 7124S, 7148S, 7148SX, 7120T-4S and 7140T-8S, and reseller listings also cite the 7048T-4S.
Because one part covers five 7100 models, a single spare can support several switches in the same room. A working spare keeps a switch running when an installed unit fails.
Input is 100 to 240V AC, so it runs from standard 120V outlets or from high-line circuits. Arista does not state an efficiency figure, and the datasheet does not give an airflow direction for this part number. Before installing, check the airflow of the fan modules and any other supply in the switch, since all of them should move air the same way and match the rack's hot and cold aisles.
Where two supplies are installed, one can be swapped while the other carries the load. Compare the label on the installed supply with this part before ordering.
Because the unit is hot-swappable, you can replace a failed supply in a redundant pair without powering the switch down. Install it while the other supply carries the load, then confirm both supplies show as healthy.
Compatible switches listed at NetworkTigers include the DCS-7124S-F switch and the DCS-7148S-F switch.
This seller refurbished PWR-760AC is tested, working, and covered by the NetworkTigers one-year warranty.
- Power Capacity : 760W
- Input Voltage : 100 to 240V AC
- Designed For : 7124S, 7148S, 7148SX, 7120T-4S, 7140T-8S
- Model Number : PWR-760AC
- Part Number : PWR-760AC
- Condition : Seller refurbished
- One (1) Seller Refurbished Arista PWR-760AC 7048 Series 760W AC Switch Power Supply as described above
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