Cisco PWR-4450-POE-AC | Power Supply

Technical Specifications:
- Input Voltage Range: AC 100-240 V
- Input Frequency: 50-60 Hz
- Output Power Capacity: 450 W
- Output Voltage: 48 V DC
- Maximum Output Current: 11.5 A
- Efficiency: 90%
- Power Over Ethernet (PoE) Support: Yes
- Cooling System: Fan
- Dimensions: 3.25 x 6 x 11 inches
- Weight: 2.6 lbs
- Operating Temperature: 0 to 40°C (32 to 104°F)
- Operating Humidity: 10 to 90% non-condensing

Helpful Notes:
- This power supply is compatible with Cisco Catalyst 4500 Series Switches.
- It supports both IEEE 802.3af and Cisco pre-standard PoE.
- The fan speed adjusts automatically based on the temperature of the power supply.