Datasheet
A-51
Catalyst 6500 Series Switches Installation Guide
OL-5781-07
Appendix A Power Supply Specifications
6000 W AC-Input and DC-Input Power Supplies
Table A-34 list the specifications for the 6000 W DC-input power supply.
Power supply output capacity
• 2900 W operation (one 220 VAC source or
two 110 VAC sources)
–
25 A @ +3.3 VDC
–
12 A @ +12 VDC
–
63.6 A @ +42 VDC
• 6000 W operation (two 220 VAC sources)
–
25 A @ +3.3 VDC
–
12 A @ +12 VDC
–
137.4 A @ +42 VDC
Output holdup time 20 ms minimum
kVA rating
1
7.5 kVA
Heat dissipation 23,812 BTU/hour (approx.)
System power dissipation 7034 W
Weight 25.4 lb (11.5 kg)
1. The kVA rating listed for the power supply should be used as the sizing criteria for both UPS outputs as well as standard
circuits and transformers to power a switch.
Table A-33 6000 W AC-Input Power Supply Specifications (continued)
Specification Description
Table A-34 6000 W DC-Input Power Supply Specifications
Specification Description
Input voltage
• –48 VDC nominal @ 37 A in North America (operating range:
–40.5 VDC to –56 VDC)
• –60 VDC nominal @ 30 A for international (operating range:
–55 VDC to –72 VDC)
Input current 40 A per DC input @ –48 VDC input voltage (total of 4 inputs)
Power supply output
capacity
The 6000 W DC-input power supply can operate at either:
• 2800 W—2 DC inputs active
• 4500 W—3 DC inputs active
• 6000 W—4 DC inputs active










