Cut Sheet

Type 3R Screw Cover Enclosures - Painted & Galvanized
Data Sheet
Construction
• Enclosure and cover are fabricated from code gauge
galvaneal steel for painted or galvanized steel, (see table)
• Enclosure body has embossed mounting holes on the back
• Available with or without knockouts on the bottom end of
enclosures less than 30 inches wide
• Cover is held secure by sliding it under the top end flange and
fastening it with plated screws on the bottom end flange,
(larger sizes use two studs and wing nuts)
• #10-32 tapped hole provision for optional ground lug kit
Finish
• Wash and phosphate undercoat
• ANSI 61 gray acrylic electrocoat finish
Accessories
• Ground lug kit
• Touch-up paint
• See Accessories section
Application
• Used as wiring boxes, junction and pull boxes
• Protects against falling rain, sleet and external
ice formation
Standards
• UL 50 listed, Type 3R
• CSA C22.2 No. 40 certified, Type 3R
• Conforms to NEMA standard for Type 3R
• IEC 60529, IP32
knockout area
(see table for pattern, see
detail for size)
C
B
E
D
A
Conduit Sizes
Knockout Detail
Note: See table for applicable knockout pattern.
∅ .25
(6)
mounting hole (4PL)
1.62”
(41)
A
1
/2-
3
/4
B
3
/4-1
C
1
/2-
3
/4
D
3
/4-1
E
1
/2-
3
/4
F
1-1
1
/4
G
1
/2-
3
/4
H
3
/4-1
I
1
/2-
3
/4
J
3
/4-1
K
1
/2-
3
/4
1.62”
(41)
1.62”
(41)
1.62”
(41)
1.87”
(47)
1.87”
(47)
1.62”
(41)
1.62”
(41)
1.62”
(41)
1.62”
(41)
Type 3/3R Enclosures
Notes: Cooper B-Line can provide special sizes, finishes and other modifications. Consult the factory for your special requirements.
74
Type 3 / 3R Enclosures