Installation Guide

Specifications for 550 W Power Supplies for the X670-G2
The following tables list the specifications for the 550 W AC PSU-FB (Model 10925) and 550 W AC PSU-
BF (Model 10927) AC power supplies for use in X670 and X770 series switches.
Table 499: 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 AC model 3.64 lb (1.65 kg) DC model 2.58 lb (1/17 kg)
Table 500: DC Model Power Specifications
Nominal input -48 to -60 VDC, 24 A
DC Voltage input range -35 to -75 V
Inrush Current 21 A peak
Maximum wire size 14 AWG (1.5 mm2 copper stranded).
DC Output 12 V, 45 A/3.3V, 3A
DC Output Power (W) 550 W
Table 501: 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
Specifications for 550 W Power Supplies for the X670-
G2 Technical Specifications
640 Summit Family Hardware Installation Guide