Installation Guide

Maximum inrush current
30 A at 115 V , 50 A at 230 V
Output
12 V , 11 A
5 V , 1.5 A
Power supply cord type AC
Power supply input socket IEC 320 C14
Power supply input plug IEC 320 C13
Power cord wall plug Refer to Power Cord Requirements for AC-Powered Switches
and AC Power Supplies on page 653.
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
Eciency 80% at 100% load
Heat dissipation, Watts/BTU 38.5 W, 131.4 BTU/hr
Power consumption, Watts, BTU/hr 178 W, 607.4 BTU/hr
Ambient operating temperature 0°C to 40°C (32°F to 104°F)
The following figure shows the wire-to-pin connections for the connector on the rear panel of the
EPS-160 power supply.
Table 517: Pinouts for the Redundant Power Supply Connector
Connector Pin Number Wire Label Pin Number Wire Label
1 7
8 14
1 NC 8 RS+
2 GND 9 GND
3 GND 10 INT PG
4 GND 11 EXT_CON
5 GND 12 EXT_PG
6 +12 V 13 +5 V
7 +12 V 14 +12 V
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
For use with the Summit X150-24p, X250e-24p,
X450a-24t, X450a-24x, X450a-48t, and X450e-24p
switches Technical Specifications
648 Summit Family Hardware Installation Guide