Summit 550 W Power Supplies
Summit Family Switches Hardware Installation Guide
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Table 98: Summit 550 W DC Power Supply (Model 10926, Model 10928)
For use with the Summit X670-48x and Summit X670V-48x switches
Physical Specifications
Dimensions Height: 1.5 inches (3.8 cm)
Width: 3.1 inches (7.8 cm)
Depth: 13.3 Inches (33.8 cm)
Weight 3.22 lb (1.46 kg)
Power Specifications
Nominal Input –40 V to –60 V , 18 A
DC Voltage Input Range –36 to –75 V
Maximum Input Amperages 18 A @ 36 V
13.5 A @ 48 V
8.5 A @ 75 V
Inrush Current 25 A peak
Inrush Energy 0.625 A
2
S
Minimum wire size 14 AWG (1.5 mm
2
) copper stranded
DC Output 12 V , 45 A/3.3 V , 3.0 A
DC Output Power (W) 550 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
Operating altitude Up to 10,000 feet
Operational shock
Frequency Range 5 to 350 Hz, 200 to 2000 Hz PSD: 0.0001g2/Hz
350 to 500 Hz -6dB/Octave, 500 Hz 0.000052 Hz
Acceleration 0.21.0 gRMS (Typical Level)
Duration: 20 min per axis
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