Table Of Contents

Technical Specifications

Switch Specifications

Power Supply Module Specifications

Fan Module Specifications

Technical Specifications

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•Switch Specifications

•Power Supply Module Specifications

•Fan Module Specifications

Switch Specifications

Table A-1 Environmental and Physical Specifications 

Environmental Ranges
Operating1 temperature	23 to 113° F (-5 to 45° C)
Storage temperature	-40 to 158° F (-40 to 70° C)
Relative humidity	5 to 95% (non-condensing)
Operating altitude	Up to 10,000 ft (3,000 m)
Physical Specifications
Dimensions (H x W x D)	1.73 x 17.5 x 17.5 in. (4.4 x 44.5 x 44.5 cm) (with the FAN FRUs installed but without the power supplies installed)
Weight Catalyst 3850 24-port PoE switches Catalyst 3850 24-port non PoE switches Catalyst 3850 48-port non PoE switches Catalyst 3850 48-port PoE switches	(weights do not include the network modules, power supplies, or blanks). 13.3 lb (6.0 kg) 13.1 lbs (6.0 kg) 14.2 lbs (6.5 kg) 14.4 lbs (6.5)

1 Minimum ambient temperature for cold start is 32° F (0° C)

Power Supply Module Specifications

Table A-2 Environmental and Physical Specifications for the AC- and DC-Power Supply Modules 

Environmental Ranges
Operating temperature	AC power supply: 23 to 113° F (-5 to 45° C) DC power supply: 23 to 131° F (-5 to 55° C)
Storage temperature	-40 to 158° F (-40 to 70° C)
Relative humidity	10 to 95% (non-condensing)
Altitude	AC power supply: Up to 10,000 ft (3,000 m) DC power supply: Up to 13,000 ft (4,000 m)
Physical Specifications
Weight PWR-C1-1100WAC PWR-C1-715WAC PWR-C1-350WAC PWR-C1-440WDC=	3 lb (1.4 kg) 2.8 lb (1.3 kg) 2.6 lb (1.2 kg) 2.6 lb (1.2 kg)
Dimensions (H x D x W) PWR-C1-1100WAC PWR-C1-715WAC PWR-C1-350WAC PWR-C1-440WDC=	1.58 x 11.72 x 3.25 in. (3.5 x 29.8 x 8.3 cm) 1.58 x 10.22 x 3.25 in. (3.5 x 26 x 8.3 cm) 1.58 x 10.22 x 3.25 in. (3.5 x 26 x 8.3 cm) 1.58 x 10.22 x 3.25 in. (3.5 x 26 x 8.3 cm) Note Dimensions shown exclude the extraction handle, which measures 1.55 in. (3.9 cm) and the keying feature which measures 0.44 in (1.1 cm).

Table A-3 Power Specifications for AC Power 24- and 48-Port Switches 

Power Specifications
Maximum output power	PWR-C1-1100WAC: 1100 W PWR-C1-715WAC: 715 W PWR-C1-350WAC: 350 W
Input voltage range and frequency	PWR-C1-1100WAC: 1100-W, 115 to 240 VAC (autoranging) 50 to 60 Hz PWR-C1-715WAC: 715 W, PWR-C1-350WAC: 350 W, 100 to 240 VAC (autoranging), 50 to 60 Hz
Input current	PWR-C1-1100WAC:12-6 A PWR-C1-715WAC: 10-5 A PWR-C1-350WAC: 4-2 A
Output ratings	PWR-C1-1100WAC: -56 V@19.64 A PWR-C1-715WAC: -56 V@12.8 A PWR-C1-350WAC: -56 V@6.25 A
Total input BTU1	PWR-C1-1100WAC: 4263 BTUs per hour, 1250 W PWR-C1-715WAC: 2742 BTUs per hour, 804 W PWR-C1-350WAC: 1357 BTUs per hour, 398 W
Total output BTU1	PWR-C1-1100WAC: 3751 BTUs per hour, 1100 W PWR-C1-715WAC: 2438 BTUs per hour, 765 W PWR-C1-350WAC: 1194 BTUs per hour, 350 W

1 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 100 VAC for the 350-W and 715-W power supplies and 115 VAC for the 1100-W power supply.

Table A-4 Power Specifications for DC-Power 24- and 48-Port Switches 

Power Specifications
Maximum output power	PWR-C1-440WDC: 440 W
Input current	PWR-C1-440WDC: 16 -8 A
DC input voltage	PWR-C1-440WDC: -36 to -72 VDC
Output ratings	PWR-C1-440WDC: -56 V@7.86 A
Voltage range domestic	PWR-C1-440WDC: -36 VDC (minimum) -48 VDC (nominal), -72 VDC (maximum)
Voltage range international	PWR-C1-440WDC: -36 VDC (minimum) -60 VDC (nominal), -72 VDC (maximum)
Total input BTU1	PWR-C1-440WDC 1841 BTUs per hour, 540 W
Total output BTU1	PWR-C1-440WDC: 1502 BTUs per hour, 440 W
Wire gauge for ground connection	PWR-C1-440WDC: 12 AWG or 8 AWG
Branch circuit protection	PWR-C1-440WDC: 20 A

1 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.

Fan Module Specifications

Table A-5 Fan Module Environmental and Physical Specifications 

Environmental Ranges
Operating temperature	23 to 176° F (-5 to 80° C)
Storage temperature	-40 to 185° F (-40 to 85° C)
Relative humidity	5 to 95% (non-condensing)
Altitude	Up to 13,000 ft (4,000 m)
Physical Specification
Dimensions (H x D x W)	1.62 x 1.73 x 4.24 in. (4.11 x 4.39 x 10.76 cm)
Weight	0.2 lb (0.07 kg)
Operating Specification
Airflow	20 cfm