Appendix A Specifications
Catalyst 4500 Series Power Supplies
A-16
Catalyst 4500 Series Switches Installation Guide
78-14409-08
Catalyst 4503-Specific Power Usage
(data only)
Two modules minimum required @ –40.5 VDC input
One 15A module minimum required @ –44 VDC input
Maximum draw
475 W
Maximum input
609 W total / # of modules = W per module
Current draw at –40.5 V (min voltage)
Current draw at –72 V (max voltage)
15 A total / # of modules = A per module
8.5 A total / # of modules = A per module
Max heat dissipation at 609 W
2078 BTUs
Catalyst 4506-Specific Power Usage
(data only)
Two modules minimum required @ –44 VDC input
Three modules minimum required @ –40.5 VDC input
Maximum draw (data only)
850 W
Maximum input
1076 W total / # of modules = W per module
Current draw at –40.5 V (min voltage)
Current draw at –72 V (max voltage)
26.6 A total / # of modules = A per module
15 A total / # of modules = A per module
Max heat dissipation at 1076 W
3671 BTUs
Catalyst 4507R-Specific Power Usage
(data only)
Three modules minimum required
Maximum draw (data only)
1080 W
Max input is 1080 W
1367 W total / # of modules = W per module
Current draw at –40.5 V (min voltage)
Current draw at –72 V (max voltage)
33.75 A total / # of modules = A per module
19 A total / # of modules = A per module
Max heat dissipation 1367 W
4665 BTUs
Table A-9
1400 W DC Triple-Input Power Supply Specifications (continued)
Item
Specification
