Arista

Arista PWR-747AC-BLUE | 750W AC PSU | rear-to-front airflow (R2F) | for 7280R

SKU:PWR-747AC-BLUE

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Description

Hot-swappable 750W AC power supply module for Arista 7280R series switches with rear-to-front (R2F) airflow. Suitable for replacements or redundant power builds; match airflow direction with your chassis and fan trays.

Features

- 750W AC output for resilient core/aggregation switching
- Rear-to-front (R2F) airflow aligns with port-side exhaust
- Hot-swappable and field-replaceable
- Supports redundant configurations (1+1/N+1)
- Front-panel LED indicators for power and fault
- Built 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: Is this compatible with all 7280R models?
A: It is intended for 7280R variants that accept 750W AC PSUs with R2F airflow. Verify against the specific switch model datasheet.

Q: Can F2R and R2F PSUs be mixed?
A: No. All PSUs and fan trays must share the same airflow direction.

Q: Is the PSU hot-swappable?
A: Yes, it supports hot-swap under proper maintenance procedures.

Q: Does it ship with a power cable?
A: Typically, power cables are sold separately to match regional and PDU requirements.

Q: What redundancy mode is supported?
A: Most supported switches use two PSUs for 1+1 redundancy; consult your hardware guide.

Technical Specifications

- Power output: 750 W
- Input type: AC
- Input voltage: 100–240 VAC
- Input frequency: 50/60 Hz
- Airflow: Rear-to-front (R2F)
- 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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