Summit External Power Supplies
Summit Family Switches Hardware Installation Guide
497
Table 105: EPS-500 External Power Supply (Model 109110
For use with the Summit X150-24p, X250e-24p, X450a-24t, X450a-24x, X450a-48t, and X450e-24p switches
Operational voltage range 90 to 264 V
Nominal input ratings 100 to 240 V , 50 to 60 Hz, 10 A
Nominal input current 5.75 A @ 115 V (low-line)
2.80 A @ 230 V (high-line)
Line frequency range 47 to 63 Hz
Maximum inrush current 30 A @ 115 V, 60 A @ 220 V
Output -50 V , 7.5 A max, 375 Watts
12 V , 10.5 A max, 126 Watts
Maximum continuous DC output shall not exceed 500 Watts.
Power supply cord type AC
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” on page 500.
Power supply cord gauge 18 AWG (0.75 mm
2
) up to 6 feet or 2 meters
or
16 AWG (1.0 mm
2
) over 6 feet
Efficiency >70% @ 100% load
Heat dissipation, Watts, BTU/hr 158 W, 539.1 BTU/hr
Power consumption, Watts, BTU/hr 659 W, 2248.6 BTU/hr
Ambient operating temperature 0° C to 40° C (32° F to 104° F)
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