CISCO PWR-C49E-300AC-R= Power Supply - Hot-plug / Redundant - 300 Watt Type: Power Supply Specifications: Input Voltage: AC 120/240 V Input Voltage Range: AC 90 - 264 V Input Voltage Range (Adjustable): AC 90 - 132 / 170 - 264 V Frequency Required: 47 - 63 Hz Input Connector(s): Power IEC 320 EN 60320 C15 Output Voltage: 12 V Power Capacity: 300 Watt Circuit Protection: Circuit breaker Designed For: Cisco Catalyst 4948E