Emerson NetSure 721NPBB - Battery Disconnect Distribution Panels; List BA: Battery Disconnect Distribution Panel (with Return Busbar) and List BB: Battery Disconnect Distribution Panel (Without Return Busbar), (24) Bullet;Tps;Tls Circuit Breaker;Fuse Battery Disconnect Positions

System Application Guide SAG582127000
Spec. No. 582127000 (Model 721
NPBB) Issue AF, February 26, 2014
Page 41 of 125
This document is property of Emerson Network Power, Energy Systems, North America, Inc. and contains confidential and proprietary information owned by Emerson Network Power, Energy
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.
Battery Disconnect Distribution Panels
List BA: Battery Disconnect Distribution Panel (with Return Busbar) and
List BB: Battery Disconnect Distribution Panel (without Return Busbar),
(24) Bullet/TPS/TLS Circuit Breaker/Fuse Battery Disconnect Positions
Features
♦ (24) -48V Battery Disconnect Fuse / Circuit Breaker Mounting Positions:
3A to 100A TPS/TLS Type Fuses,
1A to 250A Bullet Nose Type Circuit Breakers.
♦ List BA includes a Return Busbar; List BB does not include a Return Busbar.
♦ 600A Maximum Capacity.
Restrictions
Cannot be used with List 21.
Must be installed in top row only (limit one battery disconnect distribution panel per distribution cabinet).
Unless otherwise specified fuses and/or circuit breakers are mounted from left to right, starting with the
highest capacity and working to the lowest capacity.
125A, 150A, 175A, and 200A circuit breakers occupy two mounting positions.
225A and 250A circuit breakers occupy three mounting positions.
Caution: A circuit breaker or fuse with a rating of 100A or greater SHALL HAVE an empty mounting
position between it and any other overcurrent protective device.
Maximum lug width, 0.625 inches.
Ordering Notes
1) Order circuit breakers as required per Table 10 or Table 11.
2) Order fuses as required per Table 12. Also order one (1) P/N 117201 bullet nose type fuseholder per
fuse ordered. Order replacement alarm fuses (18/100A) per Table 17.
3) Order load lugs (two hole, 1/4” bolt clearance hole, 5/8” centers) as required for each distribution position
per Table 27.
4) Order lug hardware kit (P/N 541084) as required. Lug hardware kit provides thirty-two (32) sets of 1/4-20
hardware (nuts, flat washers, and lock washers), enough for sixteen (16) lug landing points.
B
att
er
y
Co
nnecti
ons
Battery
Ret
urn
Con
nect
i
on
s
BA
TTER
Y A
ND
BA
TTER
Y RE
TURN C
ONN
ECTI
ON
S
1
/4-
20 St
uds
o
n 5
/8”
Cen
ter
s Max
imu
m Lu
g
Wi
dth
: 0.
625
inches.
(
Cu
st
o
mer m
ust
supply
o
r or
der additiona
l
hardwa
re)
Retu
rn B
u
sb
ar
(
not
inc
lud
ed with List BB)
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