750 W Power Supplies Technical Specifications

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

VSP/SLX 750W AC power supply - front-to-back airflow (part no. XN-ACPWR-750W-F)
VSP/SLX 750W AC power supply - back-to-front airflow (part no. XN-ACPWR-750W-R)
VSP/SLX 750W DC power supply - front-to-back airflow (part no. XN-DCPWR-750W-F)
VSP/SLX 750W DC power supply - back-to-front airflow (part no. XN-DCPWR-750W-R)

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)

121229-01 Rev 10