Cut Sheet

Volume 1—Residential and Light Commercial CA08100002E—August 2015 www.eaton.com V1-T1-27
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Loadcenters and Circuit Breakers
Type CH Loadcenters and Circuit Breakers
Dimensions
Approximate Dimensions in Inches (mm)
Residential/Commercial/Unit Enclosure—Box Sizes
Note: Box sizes do not include covers/fronts.
Residential Loadcenters
Commercial Loadcenters
Types ECB and ECC Unit Enclosures
Residential Loadcenter Knockout
Residential NEMA Type 1 Indoor and NEMA Type 3R
Outdoor Enclosures.
Knockouts for Box Sizes 5, 6, 7, 5R, 6R, 7R
Knockout Positions
Box Size Height Width Depth
NEMA Type 1 Indoor
5 9.50 (241.3) 4.50 (114.3) 3.13 (79.4)
6 11.38 (288.9) 6.88 (174.6) 3.39 (86.1)
7 13.00 (330.2) 11.00 (279.4) 3.69 (93.7)
B 16.75 (425.5) 14.31 (363.5) 3.88 (98.4)
C 21.00 (533.4) 14.31 (363.5) 3.88 (98.4)
D 29.13 (739.8) 14.31 (363.5) 3.88 (98.4)
E 29.13 (739.8) 14.31 (363.5) 3.88 (98.4)
G 34.13 (866.8) 14.31 (363.5) 3.88 (98.4)
J 34.13 (866.8) 14.31 (363.5) 3.88 (98.4)
K 37.00 (939.8) 14.31 (363.5) 3.88 (98.4)
L 39.00 (990.6) 14.31 (363.5) 3.88 (98.4)
N 45.00 (1143.0) 14.31 (363.5) 3.88 (98.4)
NEMA Type 3R Outdoor
5R 9.50 (241.3) 4.50 (114.3) 3.13 (79.4)
6R 11.75 (298.5) 6.50 (165.1) 4.50 (114.3)
7R 13.00 (330.2) 11.00 (279.4) 3.69 (93.7)
B 16.75 (425.5) 14.31 (363.5) 5.19 (131.8)
C 21.00 (533.4) 14.31 (363.5) 5.19 (131.8)
D 29.13 (739.8) 14.31 (363.5) 5.19 (131.8)
E 29.13 (739.8) 14.31 (363.5) 5.19 (131.8)
G 34.13 (866.8) 14.31 (363.5) 5.19 (131.8)
J 34.13 (866.8) 14.31 (363.5) 5.19 (131.8)
K 37.00 (939.8) 14.31 (363.5) 5.19 (131.8)
L 39.00 (990.6) 14.31 (363.5) 5.19 (131.8)
Box Size Height Width Depth
NEMA Type 1 Indoor
P 54.38 (1381.1) 21.00 (533.4) 6.00 (152.4)
PM 62.63 (1590.7) 21.00 (533.4) 6.00 (152.4)
Height Width Depth
NEMA Type 1 Indoor
23.25 (590.6) 8.88 (225.4) 4.50 (114.3)
NEMA Type 3R Outdoor
23.69 (601.7) 9.31 (236.5) 5.44 (138.1)
Code Diameter
A 0.50 (12.7) — — —
B 0.50 (12.7) 0.75 (19.1) — —
C 0.50 (12.7) 0.75 (19.1) 1.00 (25.4) —
D 0.50 (12.7) 0.75 (19.1) 1.00 (25.4) 1.25 (31.8)
E 0.75 (19.1) 1.00 (25.4) 1.25 (31.8) —
F 0.75 (19.1) 1.00 (25.4) 1.25 (31.8) 1.50 (38.1)
G 1.00 (25.4) 1.25 (31.8) 1.50 (38.1) —
H 1.00 (25.4) 1.25 (31.8) 1.50 (38.1) 2.00 (50.8)
I 1.25 (31.8) 1.50 (38.1) 2.00 (50.8) —
Box 6R
Box 7 Box 7R
Box 5 Box 5R
Box 6
A
A
D D D
F
Hub
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A
B
A
B
B
C
C
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B
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F
H
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B
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B
H
F
B B
B
H
Hub
D D
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A
AA
A
AAA
AAA AAA
B B B
A
B B
B
B
B
B
C C
C
C
C
B
C
G
G
G
G
G G
F
AAA AAA
A
B B
B
C
C
G
G G
F
Hub
A
A
A
A
A
A
D D D
D
F
F