• PWR-C1-440WDC: 16 –8 A
• PWR-C3-750WDC-R: 25 A
• PWR-C3-750WDC-F: 25 A
Input current
• PWR-C1-440WDC: –36 to –72 VDC
• PWR-C3-750WDC-R: –36 to –72 VDC
• PWR-C3-750WDC-F: –36 to –72 VDC
DC input voltage
• PWR-C1-440WDC: –56 [email protected] A
• PWR-C3-750WDC-R:62 A @ 12 VDC, 3 A @
3.3 VDC
• PWR-C3-750WDC-F: 62 A @ 12 VDC, 3 A @
3.3 VDC
Output ratings
• PWR-C1-440WDC: –36 VDC (minimum), –48
VDC (nominal), –72 VDC (maximum)
• PWR-C3-750WDC-R: -48 VDC (nominal) (-40.5
VDC to -56 VDC)
• PWR-C3-750WDC-F: -48 VDC (nominal) (-40.5
VDC to -56 VDC)
Voltage range domestic
• PWR-C1-440WDC: –36 VDC (minimum), –48
VDC (nominal), –72 VDC (maximum)
• PWR-C3-750WDC-R: -60 VDC (nominal) (-55
VDC to -72 VDC)
• PWR-C3-750WDC-F: -60 VDC (nominal) (-55
VDC to -72 VDC)
Voltage range international
PWR-C1-440WDC 1841 BTUs per hour, 540 W
Total input BTU
PWR-C1-440WDC: 1502 BTUs per hour, 440 W
Total output BTU
1
PWR-C1-440WDC: 12 AWG or 8 AWG
Wire gauge for ground connection
PWR-C1-440WDC: 20 A
Branch circuit protection
17
The total input and total output BTU ratings refer to input power to the power supply and output power
to the switch. The BTU ratings are based on –36 VDC.
Table 37: Fan Module Environmental and Physical Specifications for Catalyst WS-C3850 Switch Models
Environmental Ranges
23 to 176°F (–5 to 80°C)
Operating temperature
Catalyst 3850 Switch Hardware Installation Guide
125
OL-26779-05
Technical Specifications
Technical Specifications
