Cisco WS-CAC-4000W 4000 W AC-input only

Overview

The Cisco WS-CAC-4000W is a high-performance 4000 watt AC-input only power supply designed for demanding networking environments. Engineered to deliver reliable, continuous power to Cisco routers, switches and other critical infrastructure, this unit helps ensure maximum uptime and optimal performance. Its compact form factor and robust construction make it an ideal replacement or upgrade for existing Cisco power solutions.

Key Features

• Provides up to 4000 watts of continuous power from a standard AC source
• Designed exclusively for AC input, eliminating the need for DC conversion equipment
• Built with high efficiency components to reduce energy consumption and heat generation


• Integrated over-current, over-voltage and thermal protection for enhanced safety
• Compatible with a wide range of Cisco platforms that support 4000W AC power modules
• Compact and rack-mountable design for easy installation in limited space

Technical Specifications

• Input voltage: 100-240 V AC, 50/60 Hz
• Output power: 4000 W continuous
• Efficiency: 92 percent typical
• Operating temperature range: 0 to 40 degrees C (32 to 104 degrees F)
• Storage temperature range: -40 to 70 degrees C (-40 to 158 degrees F)
• Dimensions (H x W x D): 3.5 in x 7.5 in x 10.5 in
• Weight: 45 lb (approx.)

Applications

The WS-CAC-4000W is suited for data centers, enterprise campus networks, service provider core routers and any high-density networking gear that demands reliable, high-capacity AC power. It is especially valuable in environments where power redundancy and efficiency are critical, such as virtualized server farms, cloud infrastructure, and large-scale wireless deployments.

By choosing the Cisco WS-CAC-4000W, customers gain a dependable power source that supports mission-critical operations, reduces operational costs through high efficiency, and simplifies power management across their network architecture.