PWR-C45-2800ACV Cisco 2800 Watt Power Supply
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Cisco PWR-C45-2800ACV Catalyst 4500 Series Power Supply Bulk

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Part Number#: PWR-C45-2800ACV
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Short Description:
PWR-C45-2800ACV 4500 Series 2800 Watt Alternating Current (AC) Plug-in Module Switching Redundant Power Supply | Made by Cisco | New Bulk Pack
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
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Product Overview for the Cisco PWR-C45-2800ACV Power Supply

In the ever-evolving landscape of networking and information technology, the role of robust and efficient power supply units (PSUs) cannot be overstated. Cisco, a global leader in networking solutions, offers a range of high-performance PSUs to ensure the seamless operation of its devices. One such notable PSU is the Cisco PWR-C45-2800ACV, a 2800 Watt Switching PSU. In this comprehensive guide, we will delve into the key features, specifications, applications, and benefits of the Cisco PWR-C45-2800ACV, providing readers with a detailed understanding of this critical component.

Understanding the Basics

What is Cisco PWR-C45-2800ACV?

The Cisco PWR-C45-2800ACV is a power supply unit designed specifically for Cisco Catalyst 4500 Series switches. It falls under the category of AC-input power supplies, delivering a power capacity of 2800 Watts. This switching PSU is engineered to provide reliable and efficient power to Cisco networking equipment, ensuring optimal performance in various networking environments.

Key Features

  • Power Capacity and Efficiency: One of the standout features of the Cisco PWR-C45-2800ACV is its impressive power capacity of 2800 Watts. This substantial power output is crucial for supporting the energy demands of modern networking infrastructures, where high-performance switches handle massive data traffic. Additionally, the PSU is designed with efficiency in mind, minimizing power wastage and contributing to a greener and more sustainable IT infrastructure.
  • Compatibility with Cisco Catalyst 4500 Series: The PWR-C45-2800ACV is purpose-built for compatibility with Cisco Catalyst 4500 Series switches. This ensures seamless integration with Cisco networking solutions, providing a tailored and optimized power supply for these specific devices. Compatibility is a critical factor in the selection of PSUs, as it directly impacts the reliability and stability of the entire network infrastructure.
  • Hot-Swappable Design: Cisco understands the importance of minimizing downtime in networking environments. The PWR-C45-2800ACV features a hot-swappable design, allowing administrators to replace or upgrade the PSU without shutting down the entire system. This feature enhances the overall reliability and availability of the network, crucial for organizations that require continuous uptime.


  • Input Voltage and Frequency: The Cisco PWR-C45-2800ACV operates with a wide range of input voltages, typically supporting voltages within the range of 100V to 240V. This flexibility makes it suitable for deployment in diverse geographical locations with varying power grid specifications. Additionally, the PSU accommodates different input frequencies, contributing to its adaptability in global networking scenarios.
  • Output Voltage and Current: The output voltage of the PWR-C45-2800ACV is designed to meet the specific requirements of Cisco Catalyst 4500 Series switches. The PSU delivers a stable output current to ensure consistent and reliable power to the connected networking equipment. This precision in output parameters is critical for the optimal functioning of switches and other network devices.


  • Enterprise Networking: The Cisco PWR-C45-2800ACV finds its primary application in enterprise networking environments where Cisco Catalyst 4500 Series switches are deployed. These switches are commonly used in medium to large-scale enterprises to handle the high volume of data traffic generated by various applications, devices, and services within the organization.
  • Data Centers: Data centers, the backbone of modern digital infrastructure, require robust and scalable networking solutions. The PWR-C45-2800ACV plays a vital role in powering Cisco switches within data centers, contributing to the overall reliability and efficiency of the data center operations. Its hot-swappable design is particularly advantageous in environments where uninterrupted service is imperative.
  • Telecommunication Networks: Telecommunication networks, including service providers and telecommunications companies, rely on high-performance networking equipment. The Cisco PWR-C45-2800ACV ensures a steady and efficient power supply to Cisco Catalyst 4500 Series switches in these networks, supporting the delivery of voice, data, and multimedia services to end-users.


  • Enhanced Reliability: The reliability of a network is directly linked to the reliability of its components, including power supply units. The Cisco PWR-C45-2800ACV enhances the overall reliability of a network by providing a stable and efficient power supply to Cisco Catalyst 4500 Series switches. This reliability is crucial for preventing downtime and ensuring uninterrupted network services.
  • Improved Network Performance: Efficient power supply is a fundamental requirement for optimal network performance. The high power capacity of the PWR-C45-2800ACV, coupled with its switching technology, contributes to the smooth operation of Cisco switches. This, in turn, leads to improved network performance, reduced latency, and enhanced data throughput.
  • Scalability: In dynamic networking environments, scalability is a key consideration. The Cisco PWR-C45-2800ACV supports the scalability needs of organizations by providing a power supply solution that can accommodate the growth of the network. Whether it's adding more switches or expanding the network infrastructure, the PSU ensures that power requirements are met without compromising performance.
  • Energy Efficiency: As organizations increasingly focus on sustainability, energy efficiency in IT infrastructure becomes paramount. The PWR-C45-2800ACV addresses this concern by incorporating energy-efficient design principles. By optimizing power usage and minimizing wastage, the PSU contributes to a greener and more environmentally friendly network operation.
More Features of Cisco AC Power Supply

Some additional features of the Cisco PWR-C45-2800ACV 2800 watt AC power supply include:

  • Automatic power supply selection: The power supply includes automatic power supply selection, which allows it to automatically switch to a backup power supply in the event of a power failure. This helps to improve overall system reliability.
  • Hot-swappable: The power supply is hot-swappable, which allows it to be easily removed and replaced without having to power down the system. This helps to reduce downtime and improve overall system availability.
  • LED indicators: The power supply includes LED indicators that provide real-time status information, including power supply status, system status, and power usage.
  • Safety features: The power supply includes safety features such as over-current protection, over-voltage protection, and short-circuit protection, which helps to protect the system against damage caused by power surges and other power issues.
  • Certifications: The power supply is compliant with a range of industry standards and certifications, including UL 60950-1, CSA C22.2 No. 60950-1, and IEC 60950-1.

Overall, the Cisco Part is a feature-rich AC power supply that is well-suited for use in high-density environments where a large amount of power is required. It provides a high level of power output, is energy efficient, and includes a range of features to improve system reliability and availability.

Additional Information on Cisco Switching PSU

Some additional information about the Cisco PWR-C45-2800ACV 2800-watt switching power supply unit (PSU) includes:

  • Compatibility: The power supply is compatible with a range of Cisco integrated services routers, including the Cisco 3900 series, Cisco 2900 series, and Cisco 1900 series.
  • Dimensions: The power supply has dimensions of 4.4 inches x 11.8 inches x 1.7 inches (11.2 cm x 30.0 cm x 4.3 cm).
  • Weight: The power supply weighs approximately 10.4 lbs (4.7 kg).
  • Country of origin: The power supply is manufactured in China.
  • Environmental compliance: The power supply is compliant with RoHS (Restriction of Hazardous Substances) and WEEE (Waste Electrical and Electronic Equipment) directives.

Overall, the Cisco Part is a high-performance AC power supply that is well-suited for use in high-density environments where a large amount of power is required. It is compatible with a range of Cisco integrated services routers and is designed to be easy to install and configure. The power supply is compliant with a range of environmental regulations and is manufactured in China.

General Information about this Cisco PWR-C45-2800ACV

  • Manufacturer: Cisco
  • Model Number or SKU# PWR-C45-2800ACV
  • Product Type: Redundant Power Supply

Technical Specifications

  • Power Supply Unit (PSU): Switching PSU
  • Output Holdup Time: 20 ms minimum
  • Maximum kVA Rating: 3.52 kVA
  • Max Heat Dissipation: 2387 BTUs/hr.
  • Minimum Software Requirement: Cisco IOS Release 12.1(13)EW
  • Power over Ethernet (PoE): Supported, up to 1400 W, (240 Cisco phones in combined mode)

Power Description for 2800 Watt PSU

  • AC-Input Type: Autoranging input with power factor corrector
  • AC-Input Voltage: 200 to 240 VAC (±10% for full range)
  • AC-Input Current: 16 A maximum at 200 VAC
  • AC-Input Frequency: 50/60 Hz (nominal) (±3% for full range)
  • Power Supply Output Capacity: 2800 W maximum, 1360 W + 40 W redundant mode (data), 2473 W maximum in combined mode (data), 1400 W maximum each in redundant mode (PoE), 2333 W maximum in combined mode (PoE)
  • Input Voltage Range: 200 V AC
  • Output Voltage: -50 V
  • Output Voltage: 12 V
  • Output Voltage: 3.30 V

Miscellaneous Switching Power Supply

  • Integrated PoE: up to 1400W
  • Output Power Redundant Mode (Data): 1360W + 40W
  • Output Power Redundant Mode (PoE): 1400W maximum per power supply
  • Output Power Combined Mode (Data): 2473W
  • Output Power Combined Mode (PoE): 2333W
  • Heat Dissipation: 2387 BTU/hr

Branch Circuit Requirement: Each chassis power supply should have its own dedicated, fused-branch circuit

  • For North America: 15 A or 20 A
  • For International: Circuits sized to local and national codes All Catalyst 4500 E-series AC-input power supplies require single-phase source AC. All AC power supply inputs are fully isolated. Source AC can be out of phase between multiple power supplies in the same chassis, meaning PS1 can operate from phase A and PS2 from phase B.

For high-line operation, the power supply operates with the hot conductor wired to a source AC phase and the neutral conductor wired either to the ground or to another source AC phase, as long as the net input voltage is in the range of 170 to 264 VAC.

Source AC can be out of phase between AC inputs on power supplies equipped with multiple AC inputs, meaning power cord 1 can be plugged into phase A and power cord 2 into phase B.

Electromagnetic Compatibility

  • FCC Part 15 (CFR 47) Class A
  • ICES-003 Class A, EN55022 Class A
  • CISPR22 Class A, AS/NZS 3548 Class A
  • VCCI Class A, EN 55022, EN 55024
  • EN 61000-6-1, EN 50082-1
  • EN 61000-3-2, EN 61000-3-3, ETS 300 386

In short, the Cisco PWR-C45-2800ACV 2800 Watt Switching PSU stands out as a reliable and high-performance power supply unit tailored for Cisco Catalyst 4500 Series switches. Its robust features, including substantial power capacity, hot-swappable design, and compatibility with Cisco networking solutions, make it a preferred choice for various networking environments. Whether deployed in enterprise networks, data centers, or telecommunication networks, the PWR-C45-2800ACV plays a pivotal role in ensuring the stability, reliability, and efficiency of the overall network infrastructure. As organizations continue to invest in advanced networking solutions, the importance of a dependable power supply unit like the Cisco PWR-C45-2800ACV cannot be overstated, making it a key component in the ever-evolving landscape of networking technology.

Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

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