Table 35: 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 36: 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 37: 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 on page 74.
Power supply cord gauge 18 AWG (0.75 mm
2
) up to 6 feet or 2 meters
or
16 AWG (1.0 mm
2
) over 6 feet
Eciency Low Line: 88% at 50% load and 86% at 100% load
High Line: 90% at 50% and 100% loads
Table 38: 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
Technical Specifications
VSP 7400 Series Switches: Hardware Installation Guide 73