Catalyst 3850 Switch Hardware Installation Guide
Technical Specifications
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Technical Specifications

Technical Specifications

Environmental and Physical Specifications

This table describes the environmental specifications.

Table 1 Environmental Specifications for the Switch

Environmental Ranges

Operating temperature

1

23 to 113°F (–5 to 45°C)

Storage temperature

–40 to 158°F (–40 to 70°C)

Relative humidity

5 to 95% (noncondensing)

Operating altitude

Up to 10,000 ft (3000 m)

Storage altitude

Up to 15,000 ft (4500 m)

1 Minimum ambient temperature for cold start is 32°F (0°C)
This table describes the environmental specifications.

Table 2 Environmental Specifications for the Power Supplies

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% (noncondensing)

Altitude

AC power supply: up to 10,000 ft (3,000 m)

DC power supply: up to 13,000 ft (4,000 m)

This table describes the physical specifications.

Table 3  Physical Specifications for the Switch

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
(weights do not include the network modules, power the network modules, power supplies, or blanks).

Catalyst 3850 24-port PoE switches

13.3 lb (6.0 kg)

Catalyst 3850 24-port non PoE switches

13.1 lb (6.0 kg)

Catalyst 3850 48-port non PoE switches

14.2 lb (6.5 kg)

Catalyst 3850 48-port PoE switches

14.4 lb (6.5 kg)

Catalyst 3850-24S and 3850-12S switches

12.4 lb (5.7 kg)

This table describes the physical specifications.

Table 4  Physical Specifications for the Power Supplies

Weight

PWR-C1-1100WAC

3 lb (1.4 kg)

PWR-C1-715WAC

2.8 lb (1.3 kg)

PWR-C1-350WAC

2.4 lb (1.1 kg)

PWR-C1-440WDC=

2.6 lb (1.2 kg)

Dimensions (H x D x W)

The 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).

PWR-C1-1100WAC

1.58 x 11.72 x 3.25 in. (3.5 x 29.8 x 8.3 cm)

PWR-C1-715WAC

1.58 x 10.22 x 3.25 in. (3.5 x 26 x 8.3 cm)

PWR-C1-350WAC

1.58 x 10.22 x 3.25 in. (3.5 x 26 x 8.3 cm)

PWR-C1-440WDC=

1.58 x 10.22 x 3.25 in. (3.5 x 26 x 8.3 cm)

Specifications for the Power Supplies, Switches, and Fan

Table 5 Power Specifications for the AC Power

Power Requirements

Maximum output power




  • PWR-C1-1100WAC: 1100 W
  • PWR-C1-715WAC: 715 W
  • PWR-C1-350WAC: 350 W

Input voltage and Frequency


  • PWR-C1-1100WAC: 1100-W, 115 to 240 VAC (autoranging) 50-60 Hz
  • PWR-C1-715WAC: 715 W, 100 to 240 VAC(autoranging) 50-60 Hz
  • PWR-C1-350WAC: 350 W, 100 to 240 VAC(autoranging) 50-60 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 BTU2

  • 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 BTU3

  • 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
2 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.
3 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 6 Power Specifications for DC-Power

Power Requirements

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)

–48 VDC (nominal), –72 VDC (maximum)

Total input BTU4

PWR-C1-440WDC 1841 BTUs per hour, 540 W

Total output BTU
1

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

4 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 7 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) up to 15,000 ft (4500 m)

Relative humidity

5 to 95% (noncondensing)

Altitude

Up to 13,000 ft (4000 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 (for three fans)

0.48 lb (0.21 kg)

Operating Specification

Airflow

20 cfm