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by Arista
Product Line: Arista Power Supply
Product Type: AC Power Supply
Original price $0.00 - Original price $667.00
Original price
$0.00 - $667.00
Current price $667.00
Title: Used

Orders typically ship within 1-3 Business days, if you need an item to ship sooner please contact us.

Product Description

The PWR-747AC-F is a power supply unit with a 750W AC power capacity, specifically designed for Arista's 7280R Series with front-to-rear airflow. It supports an input voltage range of 100-240VAC, with a typical input current of 4A and operates efficiently at 93% with Platinum efficiency. This unit is engineered to function within a broad operating temperature range from 0˚C (32˚F) to 40˚C (104˚F), and complies with multiple EMC, emissions, immunity, and safety standards including FCC, EN55022, and UL/CSA 60950-1.

Key Feature for the PWR-747AC-F

  • What is the power capacity of the 7280R Series power supply unit?
    The power capacity is 750W AC.
  • Which input voltage range does the power supply support?
    It supports an input voltage range of 100-240VAC.
  • Can the power supply be used in both 50Hz and 60Hz power environments?
    Yes, it is designed for input frequencies of 50/60Hz.
  • What type of input connector is used with this power supply?
    The input connector type is IEC 320-C13.
  • What is the efficiency rating of the power supply?
    The efficiency rating is 93%, and it is Platinum certified.
  • What are the operating temperature limits for this device?
    The operating temperature can range from 0˚C (32˚F) to 40˚C (104˚F).
  • What are the storage temperature limits?
    Storage temperatures can range from -40˚C (-40˚F) to 70˚C (158˚F).
  • What is the maximum operating altitude for the power supply?
    The maximum operating altitude is 10,000 ft (3,000m).
  • Does the power supply meet EMC emissions and immunity standards?
    Yes, it meets various standards including FCC, EN55022, EN55024, and EN300 386 for emissions and immunity.
  • What safety certifications does the power supply hold?
    It is certified under UL/CSA 60950-1, EN 60950-1, IEC 60950-1, and the CB Scheme with all country differences.

Product Review

The Arista PWR-747AC-F power supply, designed specifically for the 7280R Series with a 750W AC power capacity, ensures compatibility and sufficient power for network operations. Its high efficiency rate of 93% and platinum certification indicate optimal energy use, contributing to lower operational costs. However, its operational temperature range, limited to 0˚C to 40˚C, may restrict deployment in environments with extreme temperature conditions.


The Arista PWR-747AC-F is a power supply unit designed specifically for the Arista 7280R Series switches, offering a power capacity of 750W AC. This unit ensures a stable and efficient power supply, supporting the demanding environments of modern data centers. It is equipped for a front-to-rear airflow configuration, optimizing cooling and performance in rack-mounted setups. With an input voltage range of 100-240VAC, the PWR-747AC-F is versatile, supporting global deployment without the need for additional power conditioning equipment. It operates within a typical input current range of 4A 10 - 4A, reflecting its efficiency in power usage. The input frequency is set at 50/60Hz, accommodating the standard power supplies in most regions. For connectivity, it employs an IEC 320-C13 input connector, a common interface that ensures compatibility with a wide range of power cords and infrastructure layouts. The efficiency of the PWR-747AC-F is rated at 93%, with a Platinum efficiency certification. This high level of efficiency not only reduces operational costs by minimizing power loss but also contributes to the sustainability goals of the enterprise by reducing the carbon footprint.
  • Operating temperature ranges from 0˚C (32˚F) to 40˚C (104˚F), ensuring reliability under various environmental conditions.
  • Storage temperature tolerances extend from -40˚C (-40˚F) to 70˚C (158˚F), allowing for safe storage in extreme conditions.
  • Operational humidity is supported from 5% to 95%, accommodating a broad spectrum of humidity levels without compromising performance.
The unit is engineered to perform reliably from sea level up to an altitude of 10,000 ft (3,000m), ensuring consistent power delivery in varied geographical locations. This feature is particularly important for organizations that operate in high-altitude locations, where reduced air density can affect cooling and, by extension, equipment performance. Compliance with EMC (Electromagnetic Compatibility) standards includes emissions compliance with FCC, EN55022, EN61000-3-2, EN61000-3-3 or EN61000-3-11, EN61000-3-12 as applicable, ensuring that the unit does not interfere with other equipment. Immunity compliance is achieved with EN55024, and emissions and immunity for telecommunications equipment are covered under EN300 386. This comprehensive EMC compliance ensures that the PWR-747AC-F can be deployed in a wide range of environments without risk of electromagnetic interference. Safety standards are rigorously adhered to, with certifications from UL/CSA 60950-1, EN 60950-1, and IEC 60950-1. The unit is also part of the CB Scheme with all country differences, indicating that it has been tested and approved for international use, providing peace of mind regarding its safety and reliability. In summary, the Arista PWR-747AC-F is a high-efficiency, 750W AC power supply unit that ensures reliable power delivery for Arista 7280R Series switches. Its design caters to a global audience with a wide input voltage range, high efficiency, and comprehensive compliance with safety and EMC standards. Whether deployed in high-demand data centers or in varied environmental conditions, the PWR-747AC-F is built to deliver consistent, efficient power supply performance.


Item Number Arista PWR-747AC-F
Power Output 750 Watts AC
Compatibility Series 7280R (airflow from front to back)
Voltage Input 100VAC to 240VAC
Current Input Range 4A to 10A
Frequency of Input 50Hz/60Hz
Input Connection Type IEC 320-C13
Efficiency Rating 93% Platinum
Lowest Operating Temp 0°C
Highest Operating Temp 40°C
Lowest Storage Temp -40°C
Highest Storage Temp 70°C
Operating Humidity Range 5% to 95%
Minimum Altitude for Operation 0m
Maximum Altitude for Operation 3,000m
EMC Emissions Standards FCC, EN55022, EN61000-3-2/3-3, EN61000-3-11/3-12
EMC Immunity Standard EN55024
Emissions & Immunity EN300 386
Safety Certifications UL/CSA 60950-1, EN 60950-1, IEC 60950-1, CB Scheme

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