Arista

Arista PWR-500-DC-R | 500W DC hot-swap PSU, R->F airflow, 1RU 7050X/7280R compatible, -36 to -72V, N+1 ready

SKU:PWR-500-DC-R

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Description

Telecom-grade 500W DC power module with rear-to-front airflow to preserve cold-aisle intake. Designed for 1RU 7050X and 7280R switches, it is hot-swappable and supports N+1 redundancy on -48V DC plants.

Features

- 500W output for -48V DC plants
- Rear-to-front airflow for cold-aisle intake
- Hot-swappable field-replaceable unit
- Supports N+1 redundancy
- LED status for fast troubleshooting

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: How do I confirm this PSU matches my switch airflow?
A: Check the switch’s airflow label or documentation and select the PSU with the same direction (R->F in this case).

Q: Is a second PSU required?
A: Not required, but recommended for N+1 redundancy and continuous operation during maintenance.

Q: What DC input range is supported?
A: It supports -36 to -72 VDC with -48 VDC nominal.

Technical Specifications

- Power capacity: 500 W
- Input: -36 to -72 VDC (-48 VDC nominal)
- Airflow: rear-to-front (R->F)
- Form factor: 1RU PSU module
- Hot-swappable: Yes
- Redundancy: Supports N+1 when paired
- DC connection: Terminal block (field wiring)
- Compatibility: 7050X and 7280R 1RU switch models
- Status: Front-panel LED indicators

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