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Summit Family Switches Hardware Installation Guide
265
Table 51 provides the wire-to-pin connection specifications for the DC wiring harness shipped with the
EPS-150DC power supply. Figure 182 shows the connector.
Figure 182: Three-wire Wiring Harness
Table 50: EPS-150DC External Power Module (Model 10909)
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 mm
2
)
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
Table 51: 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
EWUG005