• Pink Arista logo on FAN-7001C-F 1RU fan module front-to-rear airflow
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Arista

Arista PWR-747AC-RED | 750W AC Power Supply for 7280R, Front-to-Rear Airflow

PWR-747AC-RED

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Description

This 750W AC power supply module is a hot-swappable, redundant spare for Arista 7280R Series switches. It uses front-to-rear airflow (red handle) and accepts 100-240V AC input through an IEC 60320 C13 connector. Suited to data centre deployments that need 1+1 power redundancy and a matching airflow direction across the rack.

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

Features

- Hot-swappable power supply module
- Supports 1+1 redundant power configurations
- Front-to-rear airflow (red handle)
- High-efficiency design
- Listed as a spare in the Arista 7280R datasheet

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

- Power capacity: 750W AC
- Input voltage: 100-240V AC, 50/60 Hz
- Input connector: IEC 60320 C13
- Airflow: front-to-rear (F2R)
- Form factor: hot-plug, redundant plug-in module
- Compatible with Arista 7280R Series switches, including 7280QR-C36/C72, 7280SR-48C6, 7280SR2K-48C6 and 7280TR-48C6

FAQs

Q: Which switches is the PWR-747AC-RED compatible with?
A: It is a spare power supply for the Arista 7280R Series, including models such as the 7280QR-C36/C72, 7280SR-48C6, 7280SR2K-48C6 and 7280TR-48C6.

Q: What airflow direction does this power supply use?
A: It uses front-to-rear airflow (F2R), identified by the red handle. The PWR-747AC-BLUE is the rear-to-front equivalent.

Q: Can it be replaced while the switch is running?
A: Yes. The module is hot-swappable and designed for 1+1 redundant operation, so a unit can be replaced without powering down the switch when a second supply is installed.

Q: What input power does it require?
A: It accepts 100-240V AC at 50/60 Hz through an IEC 60320 C13 inlet.

Q: Should I mix airflow directions in the same switch?
A: No. All power supplies and fans in a chassis should use the same airflow direction, so choose the front-to-rear red unit to match a front-to-rear configuration.

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