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Arista

Arista PWR-747AC-BLUE | 7280R 750W AC Power Supply, Rear-to-Front, Blue

PWR-747AC-BLUE

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Description

The PWR-747AC-BLUE is a hot-swappable 750W AC power supply module for the Arista 7280R Series of data centre switch-routers. It is the blue colour-coded rear-to-front (reverse) airflow version of the PWR-747AC family, suited to spare or replacement use in spine and leaf deployments where the airflow direction needs to match the hot and cold aisle layout.

The module is rated at 750W AC (747W class) with a 100-240V AC input range and efficiency of over 94%, at platinum level. It supports 1+1 redundancy when two power supplies are installed, and can be swapped without taking the chassis offline. The blue colour coding identifies the rear-to-front airflow direction, and the front-to-rear equivalent is the PWR-747AC-RED.

It is intended for Arista 7280R Series switches with rear-to-front airflow. Power supplies of different airflow direction should not be mixed in the same chassis, so fit matching blue modules throughout. No licence is required.

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

Features

- Over 94% efficient power supply
- Hot-swappable design for in-service replacement
- Supports 1+1 power supply redundancy
- Rear-to-front (reverse) airflow to suit hot and cold aisle layouts
- Blue colour coding identifies airflow direction
- Wide 100-240V AC input range

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-747AC-BLUE
- Product type: Power supply module
- Power rating: 747W / 750W AC
- Input voltage: 100-240V AC
- Airflow: Rear-to-front
- Colour coding: Blue
- Redundancy: 1+1 hot-swappable power supplies
- Efficiency: Over 94% (platinum level)
- Compatible platform: Arista 7280R Series

FAQs

Q: Does this power supply need a licence?
A: No. It is a hardware module and no licence or subscription is required.

Q: What is the difference between PWR-747AC-BLUE and PWR-747AC-RED?
A: The blue module is the rear-to-front airflow version, while the red module is the front-to-rear equivalent. Choose the one that matches the airflow direction of your chassis and rack layout.

Q: Can I mix blue and red power supplies in one chassis?
A: No. Do not mix power supplies of different airflow directions in the same chassis. Install matching blue modules throughout.

Q: Which switches does it work with?
A: It is the spare power supply for Arista 7280R Series switches that use rear-to-front airflow.

Q: Does it support redundancy?
A: Yes. It supports 1+1 hot-swappable redundancy when two power supplies are installed.

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