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Technical Specifications
Summit Family Switches Hardware Installation Guide
254
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
Efficiency 84% typical at full load, high line
Environmental Specifications
Operating temperature 0°C to 45°C (normal operation)
Storage temperature -40°C to 70°C
Operating humidity 20% to 90% relative humidity, non-condensing
Operational shock 30 m/s
2
(3g)
Table 41: Summit X480 DC PSU (Model 10918)
For use with the Summit X480-24x, X480-48x, and X480-48t switches
Physical Specifications
Dimensions Height: 1.57 inches (4.0 cm)
Width: 4.8 inches (12.3 cm)
Depth: 13.31 Inches (33.8 cm)
Weight 3.22 lb (1.46 kg)
Power Specifications
Nominal Input –48 to –60 V , 24 A
DC Voltage Input Range –40 to –75 V
Maximum Input Amperages 13.5 A @ 40 V
11.2 A @ 48 V
7.5 A @ 72 V
Inrush Current 10 A peak
Inrush Energy 1.5 A
2
S
Minimum wire size 14 AWG (1.5 mm
2
) copper stranded
DC Output 12 V , 36.7 A/3.3 V , 3.0 A
DC Output Power (W) 450 W
Environmental Specifications
Operating temperature 0°C to 45°C (normal operation)
Storage temperature -40°C to 70°C
Operating humidity 20% to 90% relative humidity, non-condensing
Operational shock 30 m/s
2
(3g)
Table 40: Summit X480 AC PSU (Model 10917) (Continued)