Cisco 4500 Series PWR-C45-1000AC Power Supply Standards: UL 60950 CAN/CSA-C22.2 No. 60950 EN 60950 IEC 60950 TS 001 AS/NZS 3260 Interface: Cisco Catalyst 4500 Series Power Supply: Input Voltage 200 V AC Input Voltage Range 100 V AC to 200 V AC Output Voltage 12 V DC Output Power 1 kW System Requirement: Minimum IOS software requirement: Cisco IOS Software Version 12.1(12c)EW