Technical Data
Page 13 Effective: July 2003
PRC100 - Universal System Controller
& Enclosures
TD01412013E
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Sizing Information for 480Y/277V ac Pow-
R-Command 100 Column Type Panel
Box size, box, and trim catalog numbers for
Pow-R-Command 100 Column Type
Panelboards listed are available from
Tables
5 & 6
.
Instructions
•
Using description of the required
panelboard, select the rating and type of
main required.
•
Count the total number of branch circuit
poles, including provisions, required in the
panelboard. Do not count main breaker
poles. Convert 2 or 3-pole branch breaker
to single poles, i.e. 3-pole breaker count as
3-poles. Determine sub-feed breaker or
through-feed lug requirements.
•
Select the panelboard main ampere
rating from
Tables 5 & 6
.
•
Panelboard Type from first column, main
breaker Frame and Designation, if
applicable from second column, and sub-
feed breaker Frame and Designation, if
applicable, from the third column.
•
From Step #2, determine the number for
branch circuits in
Column 4
.
•
Read box size, box and trim catalog
numbers across columns to the right. All
panels are surface mounted.
Cabinets
•
Boxes and trims are code-gage steel.
ANSI-61 light grey painted finish.
•
Boxes are furnished without knockouts.
•
Standard depth is 6-inches (152.4mm).
Standard height is 8.625-inches
(219.1 mm).
Top and Bottom Gutters
4.5-inches (114.3 mm) minimum.
Left Side Gutter
4.375-inches (111.2 mm) minimum.
Pull Box
Pull box is furnished without knockouts.
Standard Dimensions: 12-inches (304.8 mm)
high, 16-inches (406.4 mm) wide, 6-inches
(152.4 mm) deep.
Panelboard Types
Main Breaker Types
Mounting:
(H) = Horizontal
(V) = Verticle
Sub-Feed
Breaker Types
Vertical
Mounting
Maximu Number
of Branch
Circuits Including
Provisions
Box, Dimensions Inches
Box
Catalog
Numbers
Trim
Catalog
Number
2
Height
Width
Depth
Main Lugs or Main
Breaker
ED, FD, HFD, FDC (V)
--
30
42
90
90
8.625
8.625
6
6
YSC990
YSC990
LTC990S
LTC990S
Main Lugs or Main
Breaker with 100A
Throught-Feed Lugs or
Sub-Feed Breaker
ED, FD, HFD, FDC (V)
EHD, FD, HFD,
ED, EDH
30
42
90
90
8.625
8.625
6
6
YSC990
YSC990
LTC990S
LTC990S
2. Add Suffix B to trim catalog number for bottom fed panels (e.g. LTC990SB).
Table 3: Pow-R-Command 100 480Y/277V ac 225A Sizing Information
Panelboard Types
Main Breaker Types
Mounting:
(H) = Horizontal
(V) = Verticle
Sub-Feed
Breaker Types
Vertical
Mounting
Maximu Number
of Branch
Circuits Including
Provisions
Box, Dimensions Inches
Box
Catalog
Numbers
Trim
Catalog
Number
1
Height
Width
Depth
Main Breaker
GHB(H)
--
27
39
90
90
8.625
8.625
6
6
YSC990
YSC990
LTC990S
LTC990S
Main Lugs or Main
Breaker
EHD, FD, HFD, FDC
(V)
--
30
42
90
90
8.625
8.625
6
6
YSC990
YSC990
LTC990S
LTC990S
Main Lugs or Main
Breaker with 100A
Throught-Feed Lugs or
Sub-Feed Breaker
EDH, FD, HFD, FDC
(V)
EHD, FD, HFD
30
42
90
90
8.625
8.625
6
6
YSC990
YSC990
LTC990S
LTC990S
Table 3: Pow-R-Command 100 480Y/277V ac 100A Sizing Information
1. Add Suffix B to trim catalog number for bottom fed panels (e.g. LTC990SB).
