Table 259: Power Specifications (continued)
Maximum Input Amperages 9 A @ 40 V
7.5 A @ 48 V
5 A @ 72 V
Inrush Current 82 A at 72 V peak
Minimum wire size 14 AWG (1.5 mm
2
) copper stranded
DC Output 12 V , 25 A/3.3 V , 3.0 A
DC Output Power (W) 300 W
Table 260: Environmental Specifications
Operating temperature 0°C to 50°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:
•
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 261: 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 262: 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
Technical Specifications
ExtremeSwitching and Summit Switches: Hardware Installation Guide 378
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