Technical Bulletin
5
Technical Data TD00302001E
Effective February 2014
3-Phase Loadcenter Program
EATON CORPORATION www.eaton.com
Dimensions
Approximate Dimensions in Inches (mm)
Commercial Loadcenter
Unit Enclosures—Box Sizes
ote:N Box sizes do not include covers/fronts.
Loadcenters—NEMA Type 1 Indoor
Box Size Height Width Depth
C1 21.00 (533.4) 14.31 (363.5) 3.88 (98.4)
C4 27.00 (685.8) 14.31 (363.5) 3.88 (98.4)
D1 29.13 (739.8) 14.31 (363.5) 3.88 (98.4)
G1 34.13 (866.8) 14.31 (363.5) 3.88 (98.4)
L1 39.00 (990.6) 14.31 (363.5) 3.88 (98.4)
L2 45.00 (1143.0) 14.31 (363.5) 3.88 (98.4)
19 44.00 (1117.6) 16.16 (410.4) 6.25 (158.8)
20 44.00 (1117.6) 16.16 (410.4) 6.25 (158.8)
22 54.00 (1371.6) 16.22 (412.0) 6.31 (160.3)
24 66.50 (1689.1) 16.22 (412.0) 6.31 (160.3)
A 38.00 (965.2) 18.13 (460.4) 5.00 (127.0)
B 44.00 (1117.6) 18.13 (460.4) 5.00 (127.0)
C 66.50 (1689.1) 18.13 (460.4) 6.25 (158.8)
Loadcenters—NEMA Type 3R Outdoor
Box Size Height Width Depth
D1R 29.13 (739.8) 14.31 (363.5) 5.19 (131.8)
G1R 34.13 (866.8) 14.31 (363.5) 5.19 (131.8)
L1R 39.00 (990.6) 14.31 (363.5) 5.19 (131.8)
L2R 45.00 (1143.0) 14.31 (363.5) 5.19 (131.8)
C1R 21.00 (533.4) 14.31 (363.5) 5.19 (131.8)
C3R 25.00 (635.0) 14.31 (363.5) 5.19 (131.8)
42 38.00 (965.2) 16.31 (414.3) 6.38 (161.9)
43 44.00 (1117.6) 16.31 (414.3) 6.38 (161.9)
46 54.00 (1371.6) 16.31 (414.3) 6.38 (161.9)
47 66.56 (1690.7) 16.31 (414.3) 6.38 (161.9)
Approximate Dimensions in Inches (mm)
Residential Loadcenter Knockouts
Knockouts for Box Sizes C4, D1, G1, L1, L2, C1R, C3R, D1R, G1R,
L1R, L2R
Code Diameter
A 0.50 (12.7) 0.75 (19.1) — — —
B 0.50 (12.7) — — — —
C 0.50 (12.7) 1.25 (31.8) 1.50 (38.1) 2.00 (50.8) 2.50 (63.5)
D 1.25 (31.8) 1.25 (31.8) 2.00 (50.8) 2.50 (63.5) —
E 0.50 (12.7) 0.75 (19.1) 1.00 (25.4) — —
F 0.50 (12.7) 0.75 (19.1) 1.00 (25.4) 1.50 (38.1) 2.00 (50.8)
G 1.25 (31.8) 1.50 (38.1) 2.00 (50.8) — —
H 0.50 (12.7) 0.75 (19.1) 1.00 (25.4) 1.25 (31.8) 1.50 (38.1)
I 1.00 (25.4) 1.25 (31.8) 1.50 (38.1) 2.00 (50.8) 2.50 (63.5)
J 1.00 (25.4) 1.25 (31.8) 1.50 (38.1) — —
Residential NEMA Type 1 Indoor and NEMA Type 3R Outdoor
Enclosures
2.06 (52.3) Dia.
(125A Max.)
3.06 (77.7) Dia.
(225A Max.)
Hub
I
B
B
B
B
B
A
A
H
B
B
B
B
B
A
E
A
B
D
D
D
D
.45 (11.4) Dia. KO
.45 (11.4) Dia. KO
E
E E
B
.45 (11.4) Dia. KO
.45 (11.4) Dia. KO
.45 (11.4) Dia. KO.45 (11.4) Dia. KO
A
D
E
A
A
B
B
E
D
D
D
D
D
E
E
A
B
B
A
D
E
A
A
B
B
B
E
D
A
B
I
B
B
B
B
B
A
A
H
B
B
B
B
B
A
E
A
B
I
B
B
B
B
B
A
A
H
B
B
B
B
B
A
E
A
B
Outdoor Boxes
B1R, B2R, C1R, C3R, D1R,
G1R, L1R, L2R
Indoor Boxes
C1, C2, C4, D1, G1, L1, L2
Submittal Drawings