Installation Guide

Table 493: Power Specifications (continued)
DC Output
12 V , 36.7 A/3.3 V , 3.0 A
DC Output Power (W) 450 W
Table 494: 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)
Summit 550 W Power Supplies Technical Specifications
The following power supplies are available for use in X670-G2 and X770 series switches:
The following power supplies are available for use in X670, X670-G2, and X770 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 495: Physical Specifications
Dimensions Height: 1.57 inches (4.0 cm)
Width: 3.07 inches (7.8 cm)
Depth: 13.31 inches (33.8 cm)
Weight 3.64 lb (1.65 kg)
Table 496: AC Power Specifications (Models 10925 and 10927)
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 653.
Summit 550 W Power Supplies Technical Specifications Technical Specifications
638 Summit Family Hardware Installation Guide