Hi
Power Information
http://www.cisco.com/c/en/us/products/collateral/switches/catalyst-4500-x-series-switches/data_sheet_c78-696791.html
Table 3 lists power information for Cisco Catalyst 4500-X Series.
Table 3. Power Supply Information for Cisco Catalyst 4500-X Series
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Power Supply Feature
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Support in the 4500-X Series
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AC Power Max Rating
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750W
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System Power Consumption
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330W nominal/400W max
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Input-Voltage Range and Frequency
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AC 100 to 240 VAC 50-60 Hz/DC -72 VDC to -40 VDC
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DC Power Max Rating
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750W
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AC to DC failover and vice versa
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Yes
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Total Output BTU (Note: 1000 BTU/hr = 293W)
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1122 BTU/hr (330 W) nominal/1365 BTU/hr (400 W) max
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Input Current
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AC 11A @ 110VAC, 6 A @ 200VAC/DC 25A Max
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Output Ratings
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12V @ 62A & 3.3V @ 3A
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Output Holdup Time
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AC = 16 ms; DC = 4 ms @ maximum load
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Power-Supply Input Receptacles
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AC IEC 60320 C15/DC Custom detachable screw terminal (supplied)
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Power Cord Rating
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AC 15A/DC 25A
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