Name: APS-111 Cisco 400W Power Supply for 4003 4006 4008 Series Switches
Brand: Cisco
SKU: APS-111
Price: 197.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The APS-111 is a 400-watt power supply built specifically for Cisco's 4003, 4006, and 4008 switch series. It fits into these chassis to supply consistent and reliable power, ensuring the switches operate smoothly in demanding network environments. This module is an integral part of enterprise network infrastructure, often installed in data centers and office racks to maintain steady network connectivity.

General Information
Brand	Cisco
Part Number	APS-111
Product Type	Desktop Power Supply
Condition	Refurbished

Technical Information
Input Voltage	100-240V AC
Input Frequency	50-60 Hz
Max. Output Power	400W
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	4003 / 4006 / 4008 Series

Physical Characteristics
Weight	3.00

Certifications and Environmental
Compliance Standards	WEEE, RoHS, CE, FCC, UL, cULus

Product Description
The APS-111 is a dedicated power supply module built for Cisco's 4003, 4006, and 4008 switch chassis. It delivers a steady 400 watts of power, making it essential for maintaining reliable operation of enterprise network switches. Often found in data centers and large office environments, this power supply helps keep critical network equipment running without interruptions. Network administrators and IT professionals rely on this power supply to ensure their switches perform optimally under varied loads. It’s commonly used in setups where network uptime is crucial, supporting communication and data flow across connected devices. Key Features Delivers 400 watts to power Cisco 4003, 4006, and 4008 chassis Includes protective features to prevent overheating and power surges Supports hot-swapping for easy replacement without downtime Compatible with multiple Cisco switch models for flexible deployment Designed for efficient energy use to reduce operational costs This power supply is typically deployed within enterprise networking racks and data centers where Cisco switches form the backbone of communication. Its role in providing stable power helps avoid network outages and supports continuous business operations.

Use Cases
The APS-111 power supply is typically deployed in enterprise network infrastructures requiring robust and uninterrupted power for Cisco 4003, 4006, and 4008 series switches. It is most beneficial in environments where scalability and high availability are critical, such as data centers, corporate campus networks, and managed service provider facilities. How It's Used: Providing redundant power in data center racks to support continuous operation of core and distribution switches. Enabling scalable network deployments in enterprise IT environments with multi-chassis Cisco 4000 series switches. Powering switches in branch office setups where consistent network uptime is vital for business continuity. Supporting edge computing nodes requiring reliable power supply units to maintain low-latency connectivity. Maintaining stable power delivery in storage clusters integrated with Cisco switch fabrics for virtualization workloads. By ensuring consistent and efficient power delivery, the APS-111 supports operational stability and scalability across complex network topologies. Its integration within Cisco chassis allows IT teams to manage power resources effectively, minimizing downtime and enhancing overall network performance.