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Arista

Arista PWR-511-DC-RED | 7050X 500W DC Power Supply, Front-to-Rear Airflow

PWR-511-DC-RED

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Description

The PWR-511-DC-RED is a hot-swappable 500W DC-input power supply module for Arista 1RU data centre switches in the 7050X3, 7050X4 and 7280R3 families. It suits top-of-rack and leaf deployments, as well as telco and central-office environments that run -48V DC plant.

The module accepts a -48 to -60V DC feed, with a maximum input current of 11.8A at -48V, and delivers 500W of output power. Connection is by wire and lug terminal block with a terminal cover, with -48V, Battery Return and Protective Earth terminals. The RED version provides forward, front-to-rear airflow in a 1RU, 73.5mm wide module. A status LED, handle and release latch allow tool-less replacement, and two modules can be paired for 1+1 redundancy.

The airflow of the power supplies and fan modules must match within the same switch. For front-to-rear airflow, use FAN-7011M-F fans alongside this RED supply. The reverse-airflow counterpart is the PWR-511-DC-BLUE. No licence is required for the power supply itself.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Hot-swappable power supply for 1+1 redundant operation in 1RU Arista switches
- Colour-coded airflow: RED is front-to-rear, BLUE is rear-to-front
- DC input suits telco and data centre -48V DC plant
- Status LED on the module for at-a-glance health
- Handle and release latch for tool-less replacement
- Interchangeable with other PWR-511 models of the same airflow in supported 1RU platforms

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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Technical Specifications

FAQs

Technical Specifications

- Part number: PWR-511-DC-RED
- Output power: 500W
- Input voltage: -48 to -60V DC
- Maximum input current: 11.8A at -48V
- Input type: DC
- Airflow: Front-to-rear (forward, RED)
- Form factor: 1RU, 73.5mm wide
- DC connection: wire and lug terminal block with terminal cover
- Terminals: -48V, Battery Return, Protective Earth
- Redundancy: 1+1 when paired in a chassis
- Hot-swappable: Yes

FAQs

Q: Does this power supply need a licence?
A: No. No licence is required for the power supply itself.

Q: What input does it need?
A: It takes a -48 to -60V DC feed, with a maximum input current of 11.8A at -48V. Output is 500W.

Q: Which Arista switches does it work with?
A: It is listed for the Arista 7050X3, 7050X4 and 7280R3 Series 1RU platforms. Check your exact model's datasheet for the supported PWR-511 variants.

Q: Which fan modules should I pair it with?
A: Airflow must match across the power supplies and fan modules in the same switch. For front-to-rear (RED) airflow, use FAN-7011M-F fans.

Q: How does it differ from the PWR-511-DC-BLUE?
A: Both are 500W DC supplies. The RED version moves air front-to-rear, while the BLUE version provides the reverse, rear-to-front airflow.

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