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Catalyst 3750-E and Catalyst 3560-E Switch Hardware Installation Guide
OL-9774-03
Appendix A Technical Specifications
Table A-4 shows the power specifications for DC-powered 24- and 48-port switches.
Ta b l e A-4 Power Specifications for DC-Powered 24- and 48-Port Switches
Power Specifications
Maximum output power C3K-PWR-265WDC: 265 W
Input current C3K-PWR-265WDC: 12 A
DC input voltage C3K-PWR-265WDC: –36 to –72 VDC
Output ratings C3K-PWR-265WDC: 12 V@22 A
Voltage range domestic C3K-PWR-265WDC: –40.5 VDC (minimum),
–48
VDC (nominal), –56 VDC (maximum)
Voltage range international C3K-PWR-265WDC: –55 VDC (minimum),
–60
VDC (nominal), –72 VDC (maximum)
Total input BTU
1. The Total input and Total output BTU ratings refer to input power into the power supply and output power from the power
supply that is input into the switch.
1
C3K-PWR-265WDC: 1305 Btus per hour, 379 W
Total output BTU
1
C3K-PWR-265WDC: 907 Btus per hour, 265 W
Wire gauge for ground connection C3K-PWR-265WDC: 12 AWG or 6 AWG
Branch circuit protection C3K-PWR-265WDC: 15 A
Table A-5 shows the power specifications for DC-powered Catalyst 3560E-12D and 3560E-12SD
switches.
Ta b l e A-5 Power Specifications for DC-Powered Catalyst 3560E-12D and 3560E-12SD Switches
Power Specifications
Maximum output power C3K-PWR-300WDC: 300 W
Input current C3K-PWR-300WDC: 10–6 A
DC input voltage C3K-PWR-300WDC: –40.5 to –72 VDC
Output ratings C3K-PWR-300WDC: 12 V@ 25 A
Voltage range domestic C3K-PWR-300WDC: –40.5 VDC (minimum),
–48
VDC (nominal), –56 VDC (maximum)
Voltage range international C3K-PWR-300WDC: –55 VDC (minimum),
–60
VDC (nominal), –72 VDC (maximum)
Total input BTU
1. The Total input and Total output BTU ratings refer to input power into the power supply and output power from the power
supply that is input into the switch.
1
C3K-PWR-300WDC: 1034 Btus per hour, 300 W
Wire gauge for ground connection C3K-PWR-300WDC: 12 AWG or 6 AWG
Branch circuit protection C3K-PWR-300WDC: 15 A