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Technical Specifications
Input current
DC input voltage
Output ratings
Voltage range domestic
Voltage range international
Total input BTU
Total output BTU
Wire gauge for ground connection
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
Operating temperature
OL-26779-05
17
1
• PWR-C1-440WDC: 16 –8 A
• PWR-C3-750WDC-R: 25 A
• PWR-C3-750WDC-F: 25 A
• PWR-C1-440WDC: –36 to –72 VDC
• PWR-C3-750WDC-R: –36 to –72 VDC
• PWR-C3-750WDC-F: –36 to –72 VDC
• PWR-C1-440WDC: –56 V@7.86 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
• 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)
• 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)
PWR-C1-440WDC 1841 BTUs per hour, 540 W
PWR-C1-440WDC: 1502 BTUs per hour, 440 W
PWR-C1-440WDC: 12 AWG or 8 AWG
PWR-C1-440WDC: 20 A
23 to 176°F (–5 to 80°C)
Catalyst 3850 Switch Hardware Installation Guide
Technical Specifications
117
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