System Application Guide SAG582127000
Spec. No. 582127000 (Model 721
NPBB) Issue AF, February 26, 2014
Page 49 of 125
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Systems, North America, Inc. Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
Low Voltage Disconnect Options
List LB: Low Voltage Battery Disconnect (LVBD)
Features
♦ Adds Low Voltage Battery Disconnect (LVBD) to the system.
♦ Adds LVD Driver circuit card P/N 540972 or LVD Driver Lite circuit card P/N 547873 to the main bay
distribution cabinet.
Restrictions
Must be used with List CA, CB, or CC.
Installed in main bay only.
Ordering Notes
1) Order if low voltage battery disconnect (LVBD) is required.
2) Can be combined with manual battery disconnect (List MB) if required.
List LL: Low Voltage Load Disconnect (LVLD)
Features
♦ Adds low voltage load disconnect (LVLD) to a distribution panel.
♦ Adds LVD Driver circuit card P/N 540972 (main bay) / 547702 (supplemental bay) or LVD Driver Lite
circuit card P/N 547873 (main bay) / 547874 (supplemental bay) to a distribution cabinet, one per
distribution cabinet.
Restrictions
Must be used with List AA through AK and DA through DD.
Ordering Notes
1) Order low voltage load disconnect (LVLD) per load distribution panel (one per row) as required. Specify
by row.
Manual Battery Disconnect Option
List MB: Manual Battery Disconnect
Features
♦ Adds manual battery disconnect to the system.
♦ Adds manual disconnect circuit card P/N 540973 to the system.
Restrictions
Must be used with List CA, CB, or CC.
Installed in main bay only.
Ordering Notes
1) Order if manual battery disconnect is required.
2) Can be combined with low voltage battery disconnect (List LB) if required.
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