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Technical Data
Effective: May 1998
Page
29
TD.44A.01.T.E
Cutler-Hammer
Magnum DS
Metal-Enclosed
Low-Voltage Switchgear
Application
Table A5 – Breaker Arrangements
➀➁➂➃
Tie Sections/Combination Main and Tie Sections
Blank
or
Instrument
Feeder
800
1600
Feeder
800
1600
Feeder
800
1600
Feeder
800
1600
Main
4000
5000
Tie
4000
5000
Feeder
800
1600
2000
3200
➄
Feeder
800
1600
2000
3200
➄
Tie
4000
5000
Feeder
800
1600
2000
3200
➄
Feeder
800
1600
2000
3200
➄
Tie
4000
5000
Main
4000
5000
Feeder
800
1600
2000
3200
➄
Feeder
800
1600
2000
3200
➄
Feeder
800
1600
2000
3200
➄
Feeder
800
1600
2000
3200
➄
44 (1118)
Fig. 20
44 (1118)
Fig. 21
44 (1118)
Fig. 22
➀
Maximum indoor shipping section width is
5 vertical sections or 120 inches (3048 mm),
whichever is smaller. Maximum outdoor
shipping width is 96 inches (2438 mm)
including aisle doors, any transformer
connections, etc.
➁
All vertical sections are 92 inches (2339 mm)
high plus 4 inches (102 mm) for ventilators
and non-removable lifting angle. When a top-
of-gear breaker lifter is used, height is 99
inches (2515 mm) total.
➂
When bus ducts out of the feeder sections are
required, the depth of the lineup may in-
crease and vertical stacking may be effected.
Refer to Cutler-Hammer.
➃
Vertical bus is sized per main cross bus max-
imum rating or by ANSI C37.20.1 section
7.4.1.3 (Table 11) to a maximum of 5000
amperes.
➄
Maximum of (2) 3200 ampere breakers per
22-inch (559 mm) width of switchgear, one
of which must be a main or tie.
➅
Transitions to transformers may be omitted
if: standard dry type transformer is used; aux-
iliary and metering devices are not located in
transition; there is no fire pump breaker;
there is no zero sequence ground fault.
Transition Sections
➅
11 (279)
Fig. 23
22 (559)
Fig. 24
Auxiliary Sections
22 (559)
Fig. 25
Dimensions are in inches (millimeters).
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