A-10
Catalyst 4500 E-Series Switches Installation Guide
OL-13972-01
Appendix A Specifications
Catalyst 4500 Power Supplies
Current draw at –40.5 V (min voltage)
Current draw at –72 V (max voltage)
35.6 A
20 A
Max heat dissipation 1440 W 4910 BTUs
Tab l e A-9 1 400 W DC Triple-Input Power Supply Specifications
Item Specification
Minimum software requirement Cisco IOS Release 12.2(25)EW
Power over Ethernet Not supported
DC-input voltage Domestic and international: –48 to –60 VDC
DC-input current 42.5 A maximum @ –48 VDC input
Input 1: 12.5 A at –48 to –60 VDC
Input 2: 15 A at –48 to –60 VDC
Input 3: 15 A at –48 to –60 VDC
Input power
Current draw At –40.5 V (min voltage)
Current draw at –72 V (max voltage)
Max heat dissipation at 1400 W
1772 W @ 1400 W output power
42.5 A
25 A
1269 BTUs
Maximum KVA rating 1.77 at 1400 W load
Power supply output (DC supply) 12 V@ 8 A minimum, 115.3 A maximum
3.3 V @ 1.2 A minimum, 12.5 A maximum
1360 W+ 40 W redundant mode
2450 W maximum in combined mode
DC input terminal block Model: Cooper Bussmann Magnum. Accepts terminals with
flat angle, one hole tongue, which accommodates 10 to 12
AWG size copper wi re. The connector the barrier spacing is
0.378 in (9.6 mm), and the screw size is 8-32.
Output holdup time 8 ms
Max heat dissipation 1269 BTUs/hr
Table A-8 1400 W DC-Input Power Supply Specifications (continued)
Item Specification