Name: 800-28989-01 Cisco 750W 100-240V AC Redundant Power Supply for Catalyst 3750E/3560E
Brand: Cisco
SKU: 800-28989-01
Price: 152.41 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The Cisco 750-Watts Redundant Power Supply provides backup power specifically for Catalyst 3750E and 3560E switches, fitting into setups that prioritize uninterrupted network service. It steps in seamlessly if the main power source fails, helping maintain system reliability without interrupting operations.

General Information
Brand	Cisco
Part Number	800-28989-01
Product Type	Network Equipment Power Supply
Condition	Refurbished

Technical Information
Input Voltage	AC 100-240V
Input Frequency	50-60Hz
Output	12V DC
Max. Output Power	750W
Hot Swappable	Yes
Redundant Support	Yes
Cooling Type	Active Fan
Modularity	Non-Modular
rail_design	Single 12V Rail
Number of Fans	1

Compatibility
Form Factor	Proprietary
Compatible For	Cisco Catalyst 3750E series, Cisco Catalyst 3560E series

Physical Characteristics
Weight	9.00

Product Description
This Cisco 750-Watts Redundant Power Supply is built to provide backup power for Catalyst 3750E and 3560E series switches, ensuring continuous operation even during primary power failures. It's often found in network environments that require high availability and minimal downtime. Network administrators and IT professionals typically install this PSU to maintain stable power delivery in enterprise or data center setups. By using this redundant power supply, businesses can safeguard their critical network infrastructure against unexpected outages. Key Features Delivers reliable 750W output compatible with multiple Cisco switch models Supports dual voltage input ranging from 100 to 240 volts AC Designed for easy hot-swappable replacement to reduce maintenance interruptions Ensures continuous network uptime through power redundancy Operates efficiently across a wide frequency range of 50-60Hz This power supply is typically deployed in enterprise networks where Cisco Catalyst switches form the backbone of communications. Its redundancy feature plays an important role in minimizing disruptions, making it a practical choice for environments where network stability is critical.

Use Cases
The Cisco 750W Redundant Power Supply is essential in network environments where continuous uptime is critical. It is typically deployed alongside Catalyst 3750E and 3560E switches to deliver seamless power backup, making it ideal for enterprise IT infrastructures and data centers requiring high availability. How It's Used: Supporting core network switches in enterprise campuses to prevent downtime during power failures. Enabling redundancy in branch office networks with medium-sized deployments to maintain consistent connectivity. Providing reliable power backup in virtualization environments where network stability is crucial for VM performance. Integrating into rack deployments within data centers to enhance overall power resilience for critical switch hardware. Supporting edge computing setups by ensuring uninterrupted switch operation in remote or distributed locations. This power supply helps maintain operational continuity by delivering reliable redundant power, which supports scalability and performance optimization in demanding network environments. Its deployment reduces the risk of service interruptions and facilitates smoother network management in complex IT ecosystems.

800-28989-01 Cisco 750W 100-240V AC Redundant Power Supply for Catalyst 3750E/3560E

Product Overview

General Information

Technical Information

Compatibility

Physical Characteristics

Product Description

Use Cases