SAG582127000 System Application Guide
Issue AF, February 26, 2014 Spec. No. 582127000 (Model 721
NPBB)
Page 30 of 125
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List AC: -48V Distribution Panel (with Return Busbar) and
List AD: -48V Distribution Panel (without Return Busbar),
(4) GJ/218 Circuit Breaker Positions
Features
♦ (4) -48V Load Distribution Circuit Breaker Mounting Positions:
100A to 800A GJ/218 Type Circuit Breakers.
♦ List AC includes a Return Busbar; List AD does not include a Return Busbar.
♦ 600A Maximum Capacity.
Maximum current rating of each landing point is 360A.
Restrictions
Can be installed in any bus row 1-4 of a 1-, 2-, 3-, or 4-row distribution cabinet.
Maximum lug width, 1.375 inches.
For an 800A circuit breaker, load must not exceed 600A.
Ordering Notes
1) Specify row for panel location(s).
2) Order low voltage load disconnect List LL per panel as required.
3) List AD: To terminate load returns within the distribution cabinet, order List GA as required.
4) Order circuit breakers and associated jumper kits as required per Table 14.
5) Order load lugs (two hole, 3/8” bolt clearance hole, 1” centers) as required for each distribution position
per Table 28.
6) Order lug hardware kit (P/N 548184) as required. Lug hardware kit provides sixteen (16) sets of 3/8-16
hardware (bolts, flat washers, and lock washers), enough for eight (8) lug landing points.
Load
Connections
Load Return
C
onn
ections
LOAD AND LOAD RETURN
CON
NECTIONS
3/8-16 Cap
tiv
e Nuts on 1” Centers
(
Customer must supply or order add
itio
nal
hardware)
Ma
ximu
m Lug Width: 1.375 inches.
Return Bus
bar
(no
t inc
lud
ed with List AD)
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