Cut Sheet

Bulletin
TYPE 3R BOXES AND
E
NCLOSURES
Screw Cover Type 3R Enclosures
A90S3
1
Subject to change without notice PH 763 422 2211 • FX 763 422 2600 • www.hoffmanonline.com © 2007 Hoffman Enclosures Inc.
Application
Designed for use as a wiring box and junction box. Enclosure
provides protection in outdoor installations against rain, sleet, and
snow, or indoors against dripping water.
Features
Drip shield top and seam-free sides, front, and back
Slip-on removable cover fastened with plated steel screws along
bottom edge
Handles on larger size covers (see tables)
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Construction
16, 14, or 12 gauge galvanized steel
Embossed mounting holes on back of enclosure
Knockouts in bottom of 16 and 14 gauge enclosures
Provision for padlocking
No gasketing
Finish
ANSI 61 gray polyester powder paint finish inside and out over
phosphatized surfaces.
Industry Standards
UL 50, File No. E27525, Type 3R
NEMA/EEMAC Type 3R
cUL CSA C22.2 No. 94, File No. E27525, Type 3R
IEC 60529, IP32
Accessories
See also Accessories chapter.
Corrosion Inhibitors
Electric Heater
Grounding Device
Mounting Bracket Kit
Touch-Up Paint (ATPPY61)
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Standard Sizes Screw Cover Type 3R Enclosures
Catalog
Number
A x B x C
in. (mm) Body Style D (in.) D (mm)
Mounting
H (in.)
Mounting
H (mm)
Mounting
J (in.)
Mounting
J (mm) Knockout Pattern
A4R44 4.00 x 4.00 x 4.00 (102 x 102 x 102) A — — 1.88 48 2.00 51 B-C
A6R44 6.00 x 4.00 x 4.00 (152 x 102 x 102) A — — 1.88 48 1.06 27 B-C
A12R44 12.00 x 4.00 x 4.00 (305 x 102 x 102) A — — 1.88 48 1.06 27 B-C
A6R64 6.00 x 6.00 x 4.00 (152 x 152 x 102) A — — 2.25 57 1.06 27 B-C-D
A8R64 8.00 x 6.00 x 4.00 (203 x 152 x 102) A — — 2.25 57 1.06 27 B-C-D
A8R84 8.00 x 8.00 x 4.00 (203 x 203 x 102) A — — 2.25 57 1.06 27 F-G-H-I
A10R84 10.00 x 8.00 x 4.00 (254 x 203 x 102) A — — 2.25 57 1.06 27 F-G-H-I
A12R84 12.00 x 8.00 x 4.00 (305 x 203 x 102) A — — 2.25 57 1.06 27 F-G-H-I
A10R104 10.00 x 10.00 x 4.00 (254x 254x 102) A — — 2.25 57 1.06 27 C-D-E-F-G
A12R104 12.00 x 10.00 x 4.00 (305 x 254 x 102) A — — 2.25 57 1.06 27 C-D-E-F-G
A12R124 12.00 x 12.00 x 4.00 (305 x 305 x 102) A — — 2.25 57 1.06 27 C-D-E-F-G
A18R124 18.00 x 12.00 x 4.00 (457 x 305 x 102) A — — 2.25 57 1.06 27 C-D-E-F-G
A18R184 18.00 x 18.00 x 4.00 (457 x 457 x 102) B — — 13.00 330 1.12 28 A-B-C-D-E-F-G-H-I
A4R44NK 4.00 x 4.00 x 4.00 (102 x 102 x 102) A — — 1.88 48 2.00 51 N/A
A12R44NK 12.00 x 4.00 x 4.00 (305 x 102 x 102) A — — 1.88 48 1.06 27 N/A
A6R64NK 6.00 x 6.00 x 4.00 (152 x 152 x 102) A — — 2.25 57 1.06 27 N/A
A8R64NK 8.00 x 6.00 x 4.00 (203 x 152 x 102) A — — 2.25 57 1.06 27 N/A
A8R84NK 8.00 x 8.00 x 4.00 (203 x 203 x 102) A — — 2.25 57 1.06 27 N/A
A10R84NK 10.00 x 8.00 x 4.00 (254 x 203 x 102) A — — 2.25 57 1.06 27 N/A
A12R84NK 12.00 x 8.00 x 4.00 (305 x 203 x 102) A — — 2.25 57 1.06 27 N/A
A10R104NK 10.00 x 10.00 x 4.00 (254 x 254 x 102) A — — 2.25 57 1.06 27 N/A
A12R104NK 12.00 x 10.00 x 4.00 (305 x 254 x 102) A — — 2.25 57 1.06 27 N/A
A12R124NK 12.00 x 12.00 x 4.00 (305 x 305 x 102) A — — 2.25 57 1.06 27 N/A
A18R184NK 18.00 x 18.00 x 4.00 (457 x 457 x 102) B — — 13.00 330 1.12 28 N/A
A6R66 6.00 x 6.00 x 6.00 (152 x 152 x 152) A — — 2.25 57 1.06 27 B-C-D