Data Sheet

DC Power for
Business-Critical Continuity
™
1143D-NSDCS375 / 0912
Key Features
n Modular design — provides for system
redundancy and easy expansion of
operating capacity in small increments
n Compact shelf — 23" and 19" mount
versions
n Expandable — combine up to 3 shelves
for 375 amp ultimate capacity and up to
60 bullet positions
n Hot insertion capability — allows for
system expansion without disruption
n Equipped for dedicated input feed per
module and dual input feed per shelf –
isolated input to output
n Safety compliance — NEBS Certified; UL
recognized
Standard Features
n Converter MINOR alarm
n Converter MAJOR alarm
n Fuse / CB alarm
n Current limiting
n Over-voltage protection
n Over-temperature protection
n Load sharing for parallel operation
n Easily accessible input and output
connections for simplified installation
n Test points for output current and
voltage measurement
n Emergency power off
NetSure
®
DCS 48375
DC-DC Converter System
Compact, cost effective, modular design, ideal for
+24 VDC applications requiring -48 VDC output.
Description
The NetSure
®
DCS 48375 modular DC to DC converter shelf provides up to 375 amps
at -48 volts DC via high frequency switch mode converters rated at 1500 watts (31.25
amps) each. The modular design allows the converter’s capacity to expand as your system
expands. Each DCS 48375 converter shelf can accept four individual, plug-in converter
modules per shelf that can be easily installed live without system interruption. Each
shelf provides 6000 watts (125A max) at -48VDC to -52VDC with 20 bullet positions (23"
mount) or 15 bullet positions (19" mount) in four rack units (7") of height.
Application
The NetSure
®
DCS 48375 converter shelf is compact and easy to expand, making it ideal
for +24 VDC wireless, cellular radio and microwave sites requiring -48 VDC output.
Ordering Information
Part Number Model Number Description
584622300 DCS48375 Main shelf, 23"
584622400 DCS48375 Expansion shelf, 23"
584622100 DCS48375 Main shelf, 19"
584622200 DCS48375 Expansion shelf,19"
1C24481500 C24/48-1500 NetSure
®
DC/DC converter module
DC-DC Converter Shelf