Advantech AWS-8248 - Manual (Page 55)

47 Appx. B
B.2 -48 V
DC
power supply
The following specifications describe the physical and electrical charac-
teristics of a 310 W, four output, DC to DC switching power supply
housed in a standard size PS/2 casing.
Specifications
Input voltage: -38 ~ -58 VDC (continuous operation)
-48 VDC (normal operation)
Input current: 10 A max. @ -48 V
DC
input
Inrush current: 5 A max. @ -48 V
DC
input
Efficiency: 70% min. @ full load and normal line voltage