6-6
Catalyst 3650 Switch Hardware Installation Guide
OL-29734-01
Appendix 6 Technical Specifications
Power Supply Module Specifications
Voltage range international
PWR-C1-440WDC: –36 VDC (minimum), –48 VDC
(nominal), –72 VDC (maximum)
PWR-C2-640WDC: –36 VDC (minimum)
–60 VDC (nominal), –72 VDC (maximum)
Total input BTU
1
PWR-C1-440WDC 1841 BTUs per hour, 540 W
PWR-C2-640WDC 2444 BTUs per hour, 719 W
Total output BTU
1
PWR-C1-440WDC: 1502 BTUs per hour, 440 W
PWR-C2-640WDC: 2188 BTUs per hour, 640 W
Wire gauge for ground connection
PWR-C1-440WDC: 12 AWG or 8 AWG
PWR-C2-640WDC: 12 AWG or 8 AWG
Branch circuit protection
PWR-C1-440WDC: 20 A
PWR-C2-640WDC: 25 A
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 –48 VDC (nominal).
Table 6-4
Power Specifications for DC-Power 24-and 48-Port Switches (continued)
