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A-17
Catalyst 4500 Series Switches Installation Guide
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Appendix A Specifications
Catalyst 4500 Series Power Supplies
Note The 4200 W AC power supply should not be used in mixed-voltage
configurations. All the inputs in a chassis must be at the same voltage (110 VAC
or 220 VAC).
Table A-13 4200 W AC-Input Power Supply Specifications
Item Specification
Minimum software requirement Cisco IOS Release 12.2(25)EWA
Power over Ethernet Supported, up to 4200 W
AC-input type Autoranging input with power factor corrector
AC-input voltage 100 to 240 VAC (±10% for full range)
AC-input current 16 A maximum at 200 VAC
AC-input frequency 50/60 Hz (nominal) (±3% for full range)
Maximum KVA rating 5.25 KVA
Power supply output 4200 W maximum @ 230 VAC
12 V @ 115.3 A, 3.3 V @12.5 A (Data)
–50 V @ 77.1 A (PoE) with two inputs
2100 W maximum @ 230 VAC
12 V @115.3 A, 3.3 V @12.5 A (Data)
–50 V @ 38.5 A (PoE) with one input
2100 W maximum @ 120 VAC
12 V @115.3 A, 3.3 V @12.5 A (Data)
–50 V @ 38.0 A (PoE) with two inputs
1050 W maximum @ 120 VAC
12 V @ 55.9 A, 3.3 V @12.5 A (Data)
–50 V @ 14.6 A (PoE) with one input
Max heat dissipation 3583 BTUs/hr.
Output holdup time 20 ms minimum