Installation Guide

Table 487: Power Specifications (continued)
Power cord wall plug Refer to Power Cord Requirements for AC-Powered Switches
and AC Power Supplies on page 653
Eciency Minimum eciency: 88% at maximum power output
Table 488: Environmental Specifications
Operating temperature -10°C to 50°C (normal operation)
Storage temperature -40°C to 70°C
Operating humidity 93% relative humidity, non-condensing at 30C
Operational shock 30 m/s
2
(3 G)
Summit 450 W Power Supplies Technical Specifications
The following two power supplies are available for use in the Summit X480 series switches and in
Summit X670 series switches that have front-to-back ventilation airflow.
• Summit 450 W AC power supply
• Summit 450 W DC power supply
Summit 450 W AC Power Supplies
The following tables list the
specifications of the AC power supplies for use with the Summit X480-24x,
X480-48x, Summit X480-48t, Summit X670-48x, and Summit X670V-48x switches:
Table 489: 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)
Table 490: 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
12 A @ 90 V (low-line)
5 A @ 230 V (high-line)
Line frequency range 47 to 63 Hz
Maximum inrush current 15 A
Output
12 V , 37 A max, 450 Watts
3.3 V , 3 A max, 9.9 Watts
Maximum continuous DC output shall not exceed 450 Watts.
Power supply input socket IEC 320 C14
Summit 450 W Power Supplies Technical Specifications Technical Specifications
636 Summit Family Hardware Installation Guide