Arista

Arista PWR-747AC-RED | 750W AC PSU | front-to-rear airflow (F2R) | for 7280R

SKU:PWR-747AC-RED

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Description

Hot-swappable 750W AC power supply module for Arista 7280R series switches with front-to-rear (F2R) airflow. Use for replacement or to build redundant power; ensure airflow direction matches the chassis and installed fan trays.

Features

- 750W AC power capacity for demanding routing/switching workloads
- Front-to-rear (F2R) airflow for cold-aisle intake designs
- Hot-swappable for fast serviceability
- Enables 1+1/N+1 power redundancy when paired
- LED status indicators for quick diagnostics
- Engineered for select Arista 7280R series switches

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: Will this work with any 7280R chassis?
A: It is intended for 7280R models that specify 750W AC, F2R airflow PSUs. Confirm against your switch’s hardware guide.

Q: Can I replace an R2F PSU with this F2R unit?
A: Only if the entire chassis airflow is F2R and all PSUs/fans match. Mixing airflow directions is not supported.

Q: Is the module hot-swappable?
A: Yes, it supports hot-swap replacement following recommended procedures.

Q: Is a power cord included?
A: Power cords are commonly sold separately. Select a compatible cord based on your PDU and regional standard.

Q: How many PSUs do I need for redundancy?
A: Typically two PSUs provide 1+1 redundancy. Refer to your model’s documentation.

Technical Specifications

- Power output: 750 W
- Input type: AC
- Input voltage: 100–240 VAC
- Input frequency: 50/60 Hz
- Airflow: Front-to-rear (F2R)
- Form factor: Field-replaceable PSU module
- Hot-swappable: Yes
- Redundancy support: 1+1 / N+1 (chassis-dependent)
- Compatibility: Arista 7280R series (select models)

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