[ Contents] [ Prev] [ Next] [ Index] [ Report an Error]

DC Power Supply Electrical Specifications

Table 27 lists the DC power supply electrical specifications. For DC power system electrical specifications, see Table 26.

Table 27: DC Power Supply Electrical Specifications

Item

Specification

Maximum output power

1600 W

DC input voltage

Minimum: –40.5 VDC

Nominal: –48 VDC

Operating range: –40.5 to –72 VDC

DC input current rating

33.3 A @ –48 V nominal operating voltage

Internal Supplementary Protector

40 A

The DC power supplies in PEM0 and PEM1 must be powered by dedicated power feeds derived from feed A, and the DC power supplies in PEM2 and PEM3 must be powered by dedicated power feeds derived from feed B. This configuration provides the commonly deployed A/B feed redundancy for the system.


[ Contents] [ Prev] [ Next] [ Index] [ Report an Error]