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Appendix A      Power Supply Specifications
  4000 W AC-Input and DC-Input Power Supplies
4000 W AC-Input and DC-Input Power Supplies
The 4000 W AC-input and DC-input power supplies, (WS-CAC-4000W-US, WS-CAC-4000W-INT, and 
PWR-4000-DC) are supported in the following Catalyst 6500 series switches:
Catalyst 6506
Catalyst 6506-E
Catalyst 6509
Catalyst 6509-E
Catalyst 6509-NEB
Catalyst 6509-NEB-A
Catalyst 6509-V-E
Catalyst 6513
Catalyst 6513-E
The 4000 W AC-input and DC-input power supplies, shown in Figure A-14 and Figure A-15, share the 
same form factor as the 1000 W, 1300 W, 2500 W, and 3000 W power supplies. 
Figure A-14 4000 W AC-Input Power Supply
Power
switchINPUT
OKFA N
OKOUTPU
T
FA IL
Captive installation
screwStatus LEDs
85756I
0 
						

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Appendix A      Power Supply Specifications
  4000 W AC-Input and DC-Input Power Supplies
Figure A-15 4000 W DC-Input Power Supply
4000 W Power Supply Specifications
Ta b l e A - 2 9 lists the specifications for the 4000 W AC-input power supply.
INPUT OK
FA N
OKOUTPUT
FAIL
I
0
97297
1
3 2
+VE-1
-VE-1
+VE-2
-VE-2
+VE-3
-VE-3
Table A-28 4000 W AC-Input Power Supply Specifications
Specification Description
AC-input type High-line input with power factor correction (PFC).
NotePower factor correction is a standard feature on all Catalyst 6500 
series AC-input power supplies. PFC reduces the reactive 
component in the source AC current allowing higher power 
factors (typically 99 percent or better) and lower harmonic 
current components.
AC-input voltage High-line (230 VAC nominal)—170 VAC (min) to 264 VAC (max)
AC-input current 23 A
AC-input frequency 50/60 Hz (nominal) (±3% for full range) 
						

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Appendix A      Power Supply Specifications
  4000 W AC-Input and DC-Input Power Supplies
Ta b l e A - 2 9 list the specification for the 4000 W DC-input power supply. Branch circuit requirement  Each chassis power supply should have its own dedicated, fused-branch 
circuit:
For North America—30 A
For International—Circuits should be sized according to local and 
national codes
All AC power supply inputs are fully isolated.
–Source AC can be out of phase between multiple power supplies 
in the same chassis, which means that PS1 can be operating 
from phase A and PS2 can be operating from phase B.
–For high-line operation, the power supply operates with the hot 
conductor wired to a source AC phase and the neutral conductor 
wired either to ground or to another source AC phase as long as 
the net input voltage is in the range of 170 to 264 VAC.
–Source AC can be out of phase between AC inputs on power 
supplies that are equipped with multiple AC inputs, which 
means that power cord 1 can be plugged into phase A and 
power cord 2 can be plugged into phase B.
Output capacity  4000 W maximum
Power supply output 
15 A @ +3.3 VDC
5A @ +5VDC
10 A @ +12 VDC
90.36 A @ +42 VDC
Output holdup time 20 ms minimum 
kVA rating
15.4 kVA maximum
Heat dissipation 17,065 BTU/hour (approx.) 
Weight 22.2 lb (10.1 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-28 4000 W AC-Input Power Supply Specifications (continued)
Specification Description 
						

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Appendix A      Power Supply Specifications
  4000 W AC-Input and DC-Input Power Supplies
Ta b l e A - 3 0 lists the power supply LEDs and their meanings.
Table A-29 4000 W DC-Input Power Supply Specifications
Specification Description
DC-input voltage
–48 VDC @ 37 A for nominal –48 V battery backup system 
(operating range: –40.5 VDC to –56 VDC)
–60 VDC @ 29 A for nominal –60 V battery backup system 
(operating range: –55 VDC to –72 VDC)
NoteThe 4000 W DC-input power supply requires two source 
DC-inputs to be connected; it cannot operate with only one 
positive (+)/negative (-) source DC terminal pair installed.
DC-input current 40 A per each DC input (three inputs)
NoteFor multiple DC input power supplies, each DC input must be 
protected by a dedicated circuit breaker or a fuse. The circuit 
breaker or the fuse must be sized according to the power supply 
input power rating and any local or national electrical code 
requirements.
Power supply output 
capacity 
4000 W with three inputs active
2700 W with two inputs active
NoteThe 4000 W power supply cannot operate with only one source 
DC-input connected.
Power supply output 
15 A @ + 3.3 VDC
5A @ + 5 VDC
12 A @ +12 VDC
90.63 A (three inputs) or 59.68 A (two inputs) 
@ +42 VDC
NoteThe 4000 W power supply cannot operate with only one source 
DC-input connected.
DC input terminal block Accepts 4 AWG copper conductors. Actual size of the wire needed is 
determined by the installer or local electrician.
Output holdup time 8 ms 
kVA rating
1
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.
5.4 kVA maximum
Heat dissipation 17,730 BTU/hour (approx.)
Weight 30.8 lb (14.0 kg) 
						

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Appendix A      Power Supply Specifications
  4000 W AC-Input and DC-Input Power Supplies
Table A-30 4000 W AC-Input and DC-Input Power Supplies LEDs
LED Meaning
INPUT OK AC-input power supplies:
Green—Source AC voltage is OK. (Input 
voltage is 85 VAC or greater.)
Off—Source AC voltage falls below 70 VAC, 
is not present, or the power supply is turned 
off.
DC-input power supplies:
Green—Source DC voltage is OK. (Input 
voltage is –40.5 VDC or greater.)
Off—Source DC voltage falls below 
–33 VDC, is not present, or the power supply 
is turned off.
FAN OK
Green—Power supply fan is operating 
properly.
Off—Power supply fan failure is detected.
OUTPUT FAIL
Red—Problem with one or more of the 
DC-output voltages of the power supply.
Off—DC-output voltages within acceptable 
margins.
NoteFor proper operation of the OUTPUT 
FAIL LED, systems with single power 
supplies must be configured with a 
minimum of one fan tray and one 
supervisor engine. Systems with dual 
power supplies must have a minimum 
configuration of one fan tray, one 
supervisor engine, and one additional 
module. Failure to meet these minimum 
configuration requirements can cause a 
false power supply output fail signal. 
						

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Appendix A      Power Supply Specifications
  6000 W AC-Input and DC-Input Power Supplies
4000 W Power Supply AC Power Cords
Ta b l e A - 3 1 lists the specifications for the AC power cords that are available for the 4000 W AC-input 
power supply. Included in the table are references to illustrations of the power cords.
NoteThe AC power cords for the 4000 W AC-input power supply are hardwired directly to the power supply; 
they do not have an IEC 60320 C19 appliance plug and cannot be removed from the power supply.
6000 W AC-Input and DC-Input Power Supplies
Catalyst 6500 series switch support for the 6000 W AC-input (WS-CAC-6000W) and the 6000 W 
DC-input (PWR-6000-DC) power supplies along with any power supply output restrictions are listed in 
Ta b l e A - 3 2. 
The 6000 W AC-input power supply, shown in Figure A-16, and the 6000 W DC-input power supply, 
shown in Figure A-17, share the same form factor as the 1000 W, 1300 W, 2500 W, 3000 W, and 4000 W 
power supplies. 
TableA-31 4000W Power Supply AC Power Cords
Locale Power Cord
Part Number1
1. This is the part number for the power supply. The AC power cords are hardwired to the 4000 W power supplies.
AC Source Plug Type Cordset Rating Power Cord 
Reference 
Illustration
International WS-CAC-4000W-INT= IEC 60309 32 A, 250 VACFigure A-48
North America, Japan WS-CAC-4000W-US= NEMA L6-30
2
2. For Japan, ask your local electrical contractor to prepare the NEMA L6-30 power plug.
30 A, 250 VACFigure A-49
Table A-32 Chassis Support for the 6000 W AC-Input and DC-Input Power Supplies
Catalyst 6500 Series Chassis  6000 W AC-Input Power Supply 
Restriction6000 W DC-Input Power Supply 
Restriction
Catalyst 6506 Output limited to 4000 W Output limited to 4000 W
Catalyst 6506-E No restrictions No restrictions
Catalyst 6509 Output limited to 4000 W Output limited to 4000 W
Catalyst 6509-E No restrictions No restrictions
Catalyst 6509-NEB Output limited to 4000 W Output limited to 4000 W
Catalyst 6509-NEB-A Output limited to 4500 W Output limited to 4500 W
Catalyst 6509-V-E No restrictions No restrictions
Catalyst 6513 No restrictions No restrictions
Catalyst 6513-E No restrictions No restrictions 
						

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Appendix A      Power Supply Specifications
  6000 W AC-Input and DC-Input Power Supplies
NoteBecause of form-factor differences, the 6000 W AC-input and the 6000 W DC-input power supplies 
cannot be installed in the Catalyst 6503, Catalyst 6503-E, and Catalyst 6504-E switch chassis.
Figure A-16 6000 W AC-Input Power Supply
Figure A-17 6000 W DC-Input Power Supply
Power
switchCable 
retention
deviceINPUT
OK INPUT 1
100 - 240V
15A
50/60 Hz
INPUT 1
100 - 240V
15A
50/60 HzFA N
OKOUTPUT
FA I L
Captive installation
screwStatus LEDs
130056AC power
connection 2AC power
connection 1
I
0INSTALL
RUN
191307RUNINSTALL
CISCO SYSTEMS, INC1
2
34
INPUT OKFAN
OKOUTPUT
FAIL 
						

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Appendix A      Power Supply Specifications
  6000 W AC-Input and DC-Input Power Supplies
6000 W Power Supply Specifications
Ta b l e A - 3 4 lists the specifications for the 6000 W AC-input power supply.
Table A-33 6000 W AC-Input Power Supply Specifications
Specification Description
AC-input type 2 AC-inputs per power supply. High-line input 
with power factor correction (PFC) included.
NotePower factor correction is a standard 
feature on all Catalyst 6500 series 
AC-input power supplies. PFC reduces 
the reactive component in the source AC 
current allowing higher power factors 
(typically 99 percent or better) and lower 
harmonic current components.
AC-input voltage
Low-line (120 VAC nominal)—90 VAC 
(min) to 132 VAC (max)
High-line (230 VAC nominal)—170 VAC 
(min) to 264 VAC (max)
AC-input current  16 A each input 
AC-input frequency 50/60 Hz (nominal) (±3% for full range) 
						

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Appendix A      Power Supply Specifications
  6000 W AC-Input and DC-Input Power Supplies
Branch circuit requirement  Each power supply input should have its own 
dedicated, fused-branch circuit:
For North America—20 A
For International—Circuits should be sized 
according to local and national codes
All Catalyst 6500 series AC-input power 
supplies require single-phase source AC.
All AC power supply inputs are fully isolated.
–Source AC can be out of phase between 
multiple power supplies in the same 
chassis, which means that PS1 can be 
operating from phase A and PS2 can be 
operating from phase B.
–For high-line operation, the power supply 
operates with the hot conductor wired to 
a source AC phase and the neutral 
conductor wired either to ground or to 
another source AC phase as long as the 
net input voltage is in the range of 170 to 
264 VAC.
–Source AC can be out of phase between 
AC inputs on power supplies that are 
equipped with multiple AC inputs, which 
means that power cord 1 can be plugged 
into phase A and power cord 2 can be 
plugged into phase B.
Table A-33 6000 W AC-Input Power Supply Specifications (continued)
Specification Description 
						

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Appendix A      Power Supply Specifications
  6000 W AC-Input and DC-Input Power Supplies
Power supply output capacity The 6000 W power supply can operate at either 
2900 W or 6000 W depending on the number of 
AC power cords attached and the source AC 
voltage.
NoteThe 6000 W AC-input power supply is 
limited to 4000 W maximum output when 
it is installed in a Catalyst 6506, 
Catalyst 6509, or Catalyst 6509-NEB 
switch chassis. The power supply is 
limited to 4500 W maximum output when 
it is installed in the Catalyst 6509-NEB-A 
switch chassis.
2900 W maximum with the following source 
AC arrangements:
–INPUT 1 and INPUT 2 both connected to 
low-line (120 VAC nominal)
–INPUT 1 connected to high-line 
(230 VAC nominal); INPUT 2 not 
connected
–INPUT 1 not connected; INPUT 2 
connected to high-line (230 VAC 
nominal)
–INPUT 1 connected to high-line 
(230 VAC nominal); INPUT 2 connected 
to low-line (120 VAC nominal)
–INPUT 1 connected to low-line 
(120 VAC nominal); INPUT 2 connected 
to high-line (230 VAC nominal)
6000 W maximum with the following source 
AC arrangements:
–INPUT 1 and INPUT 2 both connected to 
high-line (230 VAC nominal)
NoteThe 6000 W power supply will not power 
up if you have only one power cord 
plugged into either INPUT 1 or INPUT 2 
and source AC is low-line (120 VAC 
nominal).
Table A-33 6000 W AC-Input Power Supply Specifications (continued)
Specification Description