A-18
Catalyst 4500 E-Series Switches Installation Guide
OL-13972-02
Appendix A Power Supply Specifications
1400 W Triple-Input DC-Input Power Supply
1400 W Triple-Input DC-Input Power Supply
The 1400 W triple-input DC-input power supply (PWR-C45-1400DC), shown in Figure A-5, is
supported in the following Catalyst 4500 E-series switches.
• Catalyst 4503-E
• Catalyst 4506-E
• Catalyst 4507R-E
• Catalyst 4510R-E
• Catalyst 4507R+E
• Catalyst 4510R+E
Figure A-5 1400 W Triple-Input DC-Input Power Supply
1400 W Triple Input DC-Input Power Supply Specifications
Table A-13 lists the specifications for the 1400 W triple input DC-input power supply.
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Ta b l e A-13 1400 W DC Triple-Input Power Supply Specifications
Item Specification
DC-input voltage • –48 VDC for nominal –48 V battery backup system (operating
range: –40.5
VDC to –56 VDC)
• –60 VDC for nominal –60 V battery backup system (operating
range: –55
VDC to –72 VDC)
DC-input current • 42.5 A maximum @ –48 VDC input
• Input 1—12.5 A @ –48 to –60 VDC
• Input 2—15 A @ –48 to –60 VDC
• Input 3—15 A @ –48 to –60 VDC
Power supply output
capacity
• 1721 W—42.5 A @ –40.5 VDC (min voltage)
• 1800 W—25 A @ –72 VDC (max voltage)
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