Summit Family Hardware Installation Guide

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 1. 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 2. 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
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	84% typical at full load, high line

Table 3. 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/s² (3 G)

Summit 450 W DC Power Supplies

The following tables list the specifications of the DC power supplies for use with the Summit X480-24x, X480-48x, and Summit X480-48t:

Table 4. 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	3.22 lb (1.46 kg)

Table 5. Power Specifications
Nominal Input	–48 to –60 V, 24 A
DC Voltage Input Range	–40 to –75 V
Maximum Input Amperages	13.5 A @ 40 V 11.2 A @ 48 V 7.5 A @ 72 V
Inrush Current	10 A peak
Inrush Energy	1.5 A²S
Minimum wire size	14 AWG (1.5 mm²) copper stranded
DC Output	12 V, 36.7 A/3.3 V, 3.0 A
DC Output Power (W)	450 W

Table 6. 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/s² (3 G)

Summit 450 W Power Supplies Technical Specifications

Summit 450 W AC Power Supplies

Summit 450 W DC Power Supplies