Summit External Power Supplies Technical Specifications

The following external power supplies are available for use with Summit X150, X250e, X450, X450a, and X450e series switches:

For use with the Summit X450a-24t and X450e-24p switches

Operational voltage range

90 to 264 V

Nominal input ratings

100 to 240 V, 50 to 60 Hz, 10 A

Input Current

6 A at 100 V, 2.5 A at 240 V

Line frequency range

47 to 63 Hz

Maximum inrush current

30 A at 115 V, 60 A at 230 V

Output

-50 V, 7.5 A max, 375 Watts

12 V, 7.5 A max, 90 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.

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

>75% at 100% load

Heat dissipation, Watts, BTU/hr

123 W, 419.7 BTU/hr

Power consumption, Watts, BTU/hr

588 W, 2006.3 BTU/hr

Ambient operating temperature

0°C to 40°C (32°F to 104°F)

For use with the Summit X150-24t, X150-48t, X250e-24t, X250e-24x, X250e-48t, X450-24t, and X450-24x switches

Operational voltage range

90 to 264 V

Nominal input ratings

100 to 250 V, 4 to 2 A, 47 to 63 Hz

Line frequency range

47 to 63 Hz

Input current

2 A at 100 V

1 A at 240 V

Line frequency

50 to 60 Hz

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.

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

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 1. Pinouts for the Redundant Power Supply Connector
Connector Pin Number Wire Label Pin Number Wire Label

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

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.

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

>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)

For use with the Summit X450e-48p and X250e-48p switches

Must be installed in the EPS-C chassis (Model 10912)

Operational voltage range

90 to 264 V

Nominal input ratings

100-250 V, 50/60 Hz, 10 A

Nominal input current

7 A @ 115 V (low-line)

3.5 A @ 230 V (high-line)

Line frequency range

47 to 63 Hz

Maximum inrush current

17 A @ 115 V/60 Hz, maximum load

Output power

600 W

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.

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

85% nominal

Heat dissipation, Watts, BTU/hr

219 W, 747.3 BTU/hr

Power consumption, Watts, BTU/hr

801 W, 2733.1 BTU/hr

Ambient operating temperature

0°C to 40°C (32°F to 104°F)

Output Ratings for EPS-C chassis with 1, 2, or 3 installed EPS-600LS units

One EPS-600-LS unit

582 W output: –48 V/9 A (432 W), 12 V/12.5 A

Two EPS-600-LS units

1116 W output: –48 V/18 A (864 W), 12 V/21 A

Three EPS-600-LS units

1260 W output: –48 V/21 A (1008 W), 12 V/21 A

For use with the Summit X450a-24tDC and Summit X450a-24xDC switches

Operational voltage range

–36 to –72 V

Nominal input ratings

–36 to –72 V, 6 A maximum

Input current

5.5 A @ –36 V (low-line)

2.6 A @ –72 V (high-line)

Line frequency range

47 to 63 Hz

Inrush current

20 A @ 48 V, 40 A @ 72 V

Input wire harness

Extreme part number 250088-00

Power supply input socket

TYCO PN 206061-1

Power cord input plug

TYCO PN 206060-1

Power cord wall plug

None provided

Power supply cord gauge

14 AWG (2.0 mm2)

Input wire harness

Extreme part number250088-00

Efficiency

> 75% at 100% load

Heat dissipation, Watts, BTU/hr

45 W, 153.5 BTU/hr

Power consumption, Watts, BTU/hr

195 W, 665.4 BTU/hr

Ambient operating temperature

0°C to 40°C

Storage and transportation temperature

–40°C to 70°C
The following figure provides the wire-to-pin connection specifications for the DC wiring harness shipped with the EPS-150DC power supply. Three-wire Cable Harness shows the connector.
Table 2. Wire-to-Pin Connection Specifications
Pin Number Wire Color Circuit Connection

1

Green/yellow

Chassis ground

2

Red

Return

3

Black

-48 V

4

unused

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Three-wire Wiring Harness
121141-04 Rev. AB