SAG582127000
System Application Guide
Issue AF, February 26, 2014
Spec. No. 582127000 (Model 721
NPBB
)
Page 104 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.
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For other available lugs and hardware, refer to drawings 031110100 through 031110300.
Battery Input Illustrations
a) Connections to Battery Disconnect Circuit Breakers
Refer to the illustrations located under the Distribution Panel List descriptions in this document.
b) Connections to Lists 21 through 24 Distribution Cabinets
(4-Row Cabinet Shown,
Others Similar)
Battery
(Return Side)
Busbar
Battery
(Return Side)
Busbar
Battery
(Load Side)
Busbar
Battery
(Load Side)
Busbar
GND RTN
-48V SUPPLY
BATTERY AND BATTERY RETURN CONNECTIONS
(7 landings per polarity)
3/8-16 Captive Nuts on 1” Centers
(Customer must supply
additional hardware)
Maximum Lug Width: 1.88 inches
(unless otherwise noted).
Maximum Lug Width: 1.25 inches
(this location only).
Battery
(Return Side)
Busbar
Battery
(Load Side)
Busbar
Battery
(Return Side)
Busbar
Battery
(Load Side)
Busbar
BATTERY AND
BATTERY RETURN CONNECTIONS
(4 landings per polarity)
3/8-16 Captive Nuts on 1” Centers
(Customer must supply
additional hardware)
BATTERY AND
BATTERY RETURN CONNECTIONS
(4 landings per polarity)
3/8-16 Captive Nuts on 1” Centers
(Customer must supply
additional hardware)
1-Row Cabinet
2-Row Cabinet
3-Row and 4-Row Cabinets
Central Office
Ground
Central Office
Ground
Central Office
Ground