Technical Data
Page 8 Effective: July 2003
PRC100 - Universal System Controller
& Enclosures
TD01412013E
For More Information Visit www.cutler-hammer.com
Sizing & Layout Instructions
1 Select PRC100 Smart Chassis from
Table 1 Note: Smart
Chassis is always located at the bottom of the panel-
board chassis immediately below the bottom breaker.
2 Select PRC100 Extension Chassis if necessary from Table 1.
Note: Extension Chassis is always located below Smart
Chassis in panel.
3 Select Main Device
4 Select Appropriate Neutral
5 Select addition branch circuit breakers as necessary.
Note: Smart Chassis is complete with 18 pole spaces.
6 Calculate total “X” spaces required for panelboard by adding
required space for Smart Chassis, Main Device, Neutral,
Additional Branch Devices, and Extension Chassis if
necessary.
7 Select appropriate box from necessary calculated size.
See box selection in
Table 2
.
Cabinet & Trim Selection
Trims/deadfronts are code gage steel, ANSI 61 finish. Boxes
are code gage galvanized steel without knockouts.
•
Standard size is 20-inches wide x 5.75-inches deep
•
Optional size is 28-inches wide x 5.75-inches deep.
•
Top & bottom gutters 6.375-inches minimum
•
Side Gutters: 4-inches minimum on 20-inch wide box size,
and 8-inches minimum on 28-inch wide box size.
Table 1: Pow-R-Command 100 Panelboard Sizing
Panel Layout
"X" Spaces - Poles
Breaker Type
1-Pole
1
1-Pole
1
1 X
EHD
2-Pole
1
2-Pole
1
2X
FDB, FD
1-Pole
1
3-Pole
1
3 X
HFD, FDC
2-Pole
1
2-Pole
1, 2
2 X
ED, EDH, EDC
3-Pole
1, 2
3 X
ED, EDH, EDC
1
2
"X" - Poles
5X - 12
10X - 24
Breaker Frames
GHBS, GHB, BABR,
BABRS, BAB,
GHQRS
3, 4
GHBS, GHB, BABR,
BABRS, BAB,
GHQRS
3, 4
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
13X -PRC100 Smart Chassis & 18 Single Pole
Spaces for GHBS, GHB, BABR, BABRS, BAB,
GHQRS
3, 4
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
Pow-R-Command 100
Smart Chassis & 18
Pole Spaces for
Controllable Breakers
Expansion Chassis for
Application Specific
Controller
7X Pow-R-Command 100 Expansion Chassis
for Application Specific Controller
Neutral Selection
5X - 100 & 250 Ampere, 8X - 400 Ampere
2X - 100 Ampere, 5X - 250 Ampere
8X - 400 Ampere
Main Devices Horrizontly Mounted
See Branch Mtd. - EHD, FD, FDB, HFD, FDC,
ED, EDH, EDC Above
Vertically Mounted
7X - EHD, FDB, HFD, FDC, ED, EDH, EDC
7X - 100 A Class "T" Main Incomming Fuse
Disconnect (MIFD)
9X - 200 A Class "T" Main Incomming Fuse
Disconnect (MIFD)
9X - FB-P
5
14X - JD, HJD, JDC
15X - DK, KD, HKD, KDC
5
1. All “F” frame branch breakers must be mounted above (top) on any controllable breaker
on chassis.
2. ED, EDH, EDC branch mounted breakers may be mounted with load lugs on either left
or right. Specify on order.
3. All add on controllable branch circuit breakers must be located adjacent to smart
chassis poles.
4. Controllable circuit breakers can be intermixed with their non controllable counterparts
(e.g. GHB with GHQRS & GHBS).
5. Top mounted main only.
Panel Height,
Maximum, "X" Units
Box Height, Inches
Box Catalog
Number
Trim Catalog
Number
20 in wide x 5.75-inches deep boxes
14X
23X
31X
40X
53X
36
48
60
72
90
YS2036
YS2048
YS2060
YS2072
YS2090
LT2036S or F
LT2048S or F
LT2060S or F
LT2072S or F
LT2090S or F
28 in wide x 5.75-inches deep boxes
14X
23X
31X
40X
53X
36
48
60
72
90
YS2836
YS2848
YS2860
YS2872
YS2890
LT2836S or F
LT2848S or F
LT2860S or F
LT2872S or F
LT2890S or F
Table 2: Box & Trim Selection
