System Application Guide
SAG582127000
Spec. No. 582127000 (Model 721
NPBB
)
Issue AF, February 26, 2014
Page 41 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.
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
2) Order fuses as required per
. Also order one (1) P/N 117201 bullet nose type fuseholder per
fuse ordered. Order replacement alarm fuses (18/100A) per
3) Order load lugs (two hole, 1/4” bolt clearance hole, 5/8” centers) as required for each distribution position
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.
Battery
Connections
Battery Return
Connections
BATTERY AND BATTERY RETURN CONNECTIONS
1/4-20 Studs on 5/8” Centers
Maximum Lug Width: 0.625 inches.
(Customer must supply
or order additional
hardware)
Return Busbar
(not included with List BB)