Cisco WS-CAC-4000-US Catalyst 6500 4000W AC Power Supply

Overview
The Cisco Catalyst 6500 4000W AC Power Supply (model WS-CAC-4000-US) delivers reliable, high-capacity power to Cisco Catalyst 6500 Series chassis. Designed for demanding enterprise and data-center environments, this power supply provides continuous 4000 watts of clean, redundant AC power to keep critical networking equipment running smoothly. Its compact form factor fits seamlessly into the chassis, and the built-in fan ensures optimal cooling under heavy load.

Key Features

• 4000 watts continuous output for high-performance switching
• Redundant operation supports hot-swap for uninterrupted service
• Built-in fan with intelligent speed control for efficient cooling
• Wide input voltage range 100-240 V AC for global deployment
• Compliance with FCC, CE and RoHS standards
• LED status indicators for quick health monitoring

Technical Specifications

• Input voltage: 100-240 V AC, 50/60 Hz
• Output power: 4000 W
• Output voltage: 48 V DC (typical)
• Current rating: up to 83 A (max)
• Efficiency: 90 percent or higher at full load
• Operating temperature: 0 to 40 degrees C
• Storage temperature: -40 to 70 degrees C
• Dimensions (H x W x D): 4.5 in x 6.5 in x 9.0 in
• Weight: approx 12 lbs

Applications
The WS-CAC-4000-US power supply is ideal for core routing, data-center aggregation, and high-density switching deployments. It is commonly used in:

• Enterprise campus backbones requiring high throughput
• Service provider edge routers and aggregation switches
• Data-center fabrics supporting virtualized workloads
• Mission-critical environments where power redundancy is essential
• Large campus networks with extensive PoE requirements (when paired with appropriate modules)

By choosing the Cisco Catalyst 6500 4000W AC Power Supply, network operators gain a dependable power source that enhances system uptime, simplifies maintenance, and supports the scalability needs of modern network infrastructures.