Knockout patterns – Wiegmann CT Series User Manual
Page 3

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Data Subject To Change Without Notice
R S C S E R I E S E N C L O S U R E S
N E M A 3 R S C R E W C O V E R W A L L - M O U N T
B3
H
D
INSIDE
W
0.63 TYP
SEE NOTE 1
A
A
B
A
B
A
A
F
F
B
B
A
F
A
A
B
A
F
A
B
A
15", 18", &
24" WIDTH
12" WIDTH
10" WIDTH
6" & 8" WIDTH
4" WIDTH
Knockout Patterns
1.63
1.63
1.63
1.63
1.94
1.63
1.63
1.63
1.94
1.63
1.63
1.63
1.63
1.63
1.94
1.63
1.63
1.63
F
F
0.88
TYP
1.56 TYP
0.13
TYP
Ø0.84
TYP
W-3.00
H-3.00
HASP &
METER SEAL
4.00" X 6.00"
MOUNTING
4.00" X 4.00"
MOUNTING
NOTES:
1. Enclosures with D = 8.00" or more do not have
an internal flange.
1.50
1.31
2.06
3.00
Ø0.28
TYP
Ø0.28 TYP.
Ø0.28 TYP.
A -- 1/2" TO 3/4"
B -- 3/4" TO 1"
F -- 1" TO 1-1/4"
1.56
2.06
1.56 TYP
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