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Table 1 lists the DC power system electrical specifications.

Table 1: DC Power System Electrical Specifications

Item	Specification
Normal Capacity Power Supply
DC input voltage	Operating range: –40 to –72 VDC
DC system current rating @48 VDC	116 A (58 A per feed) @ –48 VDC (nominal)
DC system input power	5568W
High-Capacity Power Supply
DC input voltage	Operating range: –40 to –72 VDC
DC system current rating @48 VDC	208 A per two feeds (104 per feed in non-redundant configuration)
DC system input power	9984W