Arista PWR-1900AC-R | 1900W AC Switch Power Supply, Rear-to-Front Airflow

Authorised Arista Partner

SKU:PWR-1900AC-R

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Description

The PWR-1900AC-R is a 1900W AC hot-swappable power supply for Arista 7260CX and 7280R Series data centre switches. It delivers 93% Platinum-rated efficiency from a 200-240V AC input and uses rear-to-front airflow to suit hot and cold aisle designs.

Designed for 1+1 redundant operation with two power supplies per switch, it allows a failed unit to be replaced without taking the switch offline. The power supply and fan modules are colour-coded to identify airflow direction, helping keep mixed-airflow installations consistent.

Features

- Hot-swappable for no-downtime replacement
- 1+1 redundant power supply operation
- Platinum-level power efficiency (93%)
- Rear-to-front airflow option for hot and cold aisle designs
- Colour-coded power supply and fans to identify airflow direction
- Compatible with Arista 7280R Series 2RU data centre switches

Warranty

Arista hardware products come with a 1-year limited hardware warranty, covering defects in materials and workmanship under normal use.
Extended Warranty Options:
IP Trading offers tailored extended warranty solutions and support packages for Arista products. Contact our team to explore options that align with your organisation's needs.
https://www.arista.com/assets/data/pdf/Warranty.pdf

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Output power: 1900W
- Input voltage: 200-240V AC
- Input frequency: 50/60Hz
- Typical input current: 11.2 - 9.5A
- Input connector: IEC 60320 C20
- Efficiency: 93% (Platinum)
- Airflow direction: rear-to-front
- Redundancy: hot-swap, 1+1 redundant (2 PSUs per switch)
- Compatible with Arista 7260CX and 7280R Series switches

FAQs

Q: Which Arista switches is the PWR-1900AC-R compatible with?
A: It is a spare power supply for the Arista 7260CX and 7280R Series, including models such as the 7280CR-48, 7280QR-C72, 7280CR2-60, 7280CR2A-60 and 7280CR2K-60.

Q: What airflow direction does this power supply use?
A: The PWR-1900AC-R uses rear-to-front airflow. The power supply and fan modules are colour-coded so airflow direction can be identified.

Q: Can I replace it while the switch is running?
A: Yes. The power supply is hot-swappable and is designed for 1+1 redundant operation, so a unit can be replaced without downtime when two power supplies are installed.

Q: What input voltage and connector does it require?
A: It requires a 200-240V AC input at 50/60Hz and uses an IEC 60320 C20 input connector.

Q: How many power supplies does a switch use?
A: Compatible switches are deployed with two power supplies for 1+1 redundancy.

Q: How efficient is the PWR-1900AC-R?
A: It is rated at 93% efficiency to the Platinum level.

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Arista PWR-1900AC-R | 1900W AC Switch Power Supply, Rear-to-Front Airflow