Summit 550 W Power Supplies Technical Specifications

The following power supplies are available for use in Summit 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
Click to expand in new window

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)
Click to expand in new window

AC Power Specifications (Models 10925 and 10927)

Voltage input range 90 to 264 V ../Graphics/AC_PowerSymbol_9pt.svg
Nominal input ratings 100 to 240 V ../Graphics/AC_PowerSymbol_9pt.svg, 50 to 60 Hz, 8 A
Nominal input current at full loads 8 A @ 90 V ../Graphics/AC_PowerSymbol_9pt.svg (low-line), 4 A @ 230 V ../Graphics/AC_PowerSymbol_9pt.svg (high-line)
Line frequency range 47 to 63 Hz
Maximum inrush current 15 A at 25°C (77°F)
Output 12 V ../Graphics/DC_PowerSymbol_9pt.svg, 45 A max, 540 Watts, 3 V ../Graphics/DC_PowerSymbol_9pt.svg, 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.
Power supply cord gauge 18 AWG (0.75 mm2) up to 6 feet or 2 meters

or

16 AWG (1.0 mm2) over 6 feet

Efficiency 87% at 110 V ../Graphics/AC_PowerSymbol_9pt.svg with full load

88% at 220 V ../Graphics/AC_PowerSymbol_9pt.svg with full load

Click to expand in new window

DC Power Specifications (Models 10926 and 10928)

Nominal Input –40 V to –60 V, 18 A
DC Voltage Input Range –36 to –75 V ../Graphics/DC_PowerSymbol_9pt.svg
Maximum Input Amperages 18 A @ 36 V ../Graphics/DC_PowerSymbol_9pt.svg, 13.5 A @ 48 V ../Graphics/DC_PowerSymbol_9pt.svg

8.5 A @ 75 V ../Graphics/DC_PowerSymbol_9pt.svg

Inrush Current 25 A peak
Inrush Energy 0.625 A2S
Minimum wire size 14 AWG (1.5 mm2) copper stranded
DC Output 12 V ../Graphics/DC_PowerSymbol_9pt.svg, 45 A/3.3 V ../Graphics/DC_PowerSymbol_9pt.svg, 3.0 A
DC Output Power (W) 550 W
Click to expand in new window

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