Appendix B: Technical Specifications
Summit Family Switches Hardware Installation Guide
490
Summit 550 W Power Supplies
The following four power supplies are available for use in the Summit X670 series switches:
● 550 W AC PSU-FB (Model 10925)—AC power supply with front-to-back ventilation airflow
● 550 W AC PSU-BF (Model 10927)—AC power supply with back-to-front ventilation airflow
● 550 W DC PSU-FB (Model 10926)—DC power supply with front-to-back ventilation airflow
● 550 W DC PSU-BF (Model 10928)—DC power supply with back-to-front ventilation airflow
Table 97: Summit 550 W AC Power Supply (Model 10925, Model 10927)
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 3.64 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 8 A @ 90 V (low-line)
4 A @ 230 V (high-line)
Line frequency range 47 to 63 Hz
Maximum inrush current 15 A at 25° C (77° F)
Output 12 V , 45 A max, 540 Watts
3 V , 3 A max, 10 Watts
Maximum continuous DC output shall not exceed 550 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 87% at 110 V with full load
88% at 220 V with full load
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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