Appendix B: Technical Specifications
Summit Family Switches Hardware Installation Guide
488
Summit 450 W Power Supplies
The following two power supplies are available for use in the Summit X480 series switches and in
Summit X670 series switches that have front-to-back ventilation airflow
● Summit 450 W AC power supply
● Summit 450 W DC power supply
Table 95: Summit 450 W AC Power Supply (Model 10917)
For use with the Summit X480-24x, X480-48x, Summit X480-48t, 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 3.64 lb (1.65 kg)
Power Specifications
Voltage input range 90 to 264 V
Nominal input ratings 100 to 240 V , 50 to 60 Hz, 8 A
Nominal input current at full loads 12 A @ 90 V (low-line)
5 A @ 230 V (high-line)
Line frequency range 47 to 63 Hz
Maximum inrush current 15 A
Output 12 V , 37 A max, 450 Watts
3.3 V , 3 A max, 9.9 Watts
Maximum continuous DC output shall not exceed 450 Watts.
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 500.
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
(3 G)
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