A-3
Catalyst 3850 Switch Hardware Installation Guide
OL-26779-02
Appendix A Technical Specifications
Power Supply Module Specifications
Output ratings PWR-C1-1100WAC: –56 V@19.64 A
PWR-C1-715WAC: –56 V@12.8 A
PWR-C1-350WAC: –56 V@6.25 A
Total input BTU
1
PWR-C1-1100WAC: 4263 BTUs per hour, 1250 W
PWR-C1-715WAC: 2742 BTUs per hour, 804 W
PWR-C1-350WAC: 1357 BTUs per hour, 398 W
Total output BTU
1
PWR-C1-1100WAC: 3751 BTUs per hour, 1100 W
PWR-C1-715WAC: 2438 BTUs per hour, 765 W
PWR-C1-350WAC: 1194 BTUs per hour, 350 W
1. The total input and total output BTU ratings refer to input power to the power supply and output power to the switch. The
BTU ratings are based on 100 VAC for the 350-W and 715-W power supplies and 115 VAC for the 1100-W power supply.
Table A-4 Power Specifications for DC-Power 24- and 48-Port Switches
Power Specifications
Maximum output power PWR-C1-440WDC: 440 W
Input current PWR-C1-440WDC: 16 –8 A
DC input voltage PWR-C1-440WDC: –36 to –72 VDC
Output ratings PWR-C1-440WDC: –56 V@7.86 A
Voltage range domestic PWR-C1-440WDC: –36 VDC (minimum)
–48 VDC (nominal), –72 VDC (maximum)
Voltage range international PWR-C1-440WDC: –36 VDC (minimum)
–60 VDC (nominal), –72 VDC (maximum)
Total input BTU
1
1. The total input and total output BTU ratings refer to input power to the power supply and output power to the switch. The
BTU ratings are based on –36 VDC.
PWR-C1-440WDC 1841 BTUs per hour, 540 W
Total output BTU
1
PWR-C1-440WDC: 1502 BTUs per hour, 440 W
Wire gauge for ground connection PWR-C1-440WDC: 12 AWG or 8 AWG
Branch circuit protection PWR-C1-440WDC: 20 A
Table A-3 Power Specifications for AC Power 24- and 48-Port Switches (continued)
