750 W Power Supplies Technical Specifications

Four 750 W power supply units are available for use with VSP 7400 Series switches:

Table 1. 750 W Power Supplies: Unpackaged Dimensions

750 W power supply – AC

front-to-back or back-to-front airflow

Height: 4.00 cm (1.57 in)

Width: 8.00 cm (3.15 in)

Depth: 20.60 cm (8.11 in)

750 W power supply – DC

front-to-back or back-to-front airflow

Height: 4.00 cm (1.57 in)

Width: 8.00 cm (3.15 in)

Depth: 20.60 cm (8.11 in)

Table 2. 750 W Power Supplies: Unpackaged Weight

750 W power supply – AC

front-to-back or back-to-front airflow

0.81 kg (1.79 lb)

750 W power supply – DC

front-to-back or back-to-front airflow

0.85 kg (1.86 lb)

Table 3. 750 W Power Supplies: Packaged Dimensions

750 W power supply – AC

front-to-back or back-to-front airflow

Height: 44.5 cm (17.52 in)

Width: 27.5 cm (10.83 in)

Depth: 42.5 cm (16.73 in)

750 W power supply – DC

front-to-back or back-to-front airflow

Height: 44.5 cm (17.52 in)

Width: 27.5 cm (10.83 in)

Depth: 42.5 cm (16.73 in)

Table 4. 750 W Power Supplies: Packaged Weight

750 W power supply – AC

front-to-back or back-to-front airflow

10.22 kg (22.53 lb)

750 W power supply – DC

front-to-back or back-to-front airflow

10.50 kg (23.15 lb)

Table 5. Power Specifications (AC Power Supplies)

Voltage input range

85 to 264 V

Nominal input ratings

100-140/200-240V , 10/5.36A max., 50/60Hz

Nominal input current at full loads

10 A at 90 V (low-line)

3.7 A at 230 V (high-line)

Line frequency range

47 to 63 Hz

Maximum inrush current

35 A

Output

+12 V, 61.5 A

+12 Vsb, 3 A

Total output power not to exceed 750W

Power supply input socket

IEC 320 C14

Power cord input plug

IEC 320 C13

Power cord wall plug

Refer to Power Cord Requirements for AC-Powered Switches and AC Power Supplies.

Power supply cord gauge

18 AWG (0.75 mm2) up to 6 feet or 2 meters

or

16 AWG (1.0 mm2) over 6 feet

Efficiency

Low Line: 88% at 50% load and 86% at 100% load

High Line: 90% at 50% and 100% loads

Table 6. Power Specifications (DC Power Supplies)

Nominal input

-48 to -60 VDC, 20.4 A

DC Voltage input range

-35 to -75 V

Inrush Current

21 A peak

Maximum wire size

14 AWG (1.5 mm2 copper stranded).

DC Output +12.2VDC, 61.5A; +12Vaux, 2.5A

Power (W)

750 W

Table 7. Environmental Specifications (All Power Supply Units)

Operating temperature

0°C to 55°C (normal operation)

Storage temperature

-40°C to 70°C

Operating humidity

20% to 90% relative humidity, non-condensing

Operational shock

30 m/s2 (3 G)