Measurement Guide
C,O,E,F
KNOCKOUTS
9.00
WIRING
DIAGRAMS
~
'"
/.3
6
1
DIA
C4
HOLES)
FUSIBLE
NOT
FUSIBLE
r~\~~I?::
r;./
~~
~n
H~J
':-'}
/
'•
--
--
-
~
c
£H
A 8
-
1'--c,D,E,F
KNOCKOUTS
0
TERMINAL
LUGS
=f
"-----
AMPERES
MAX.
WIRE
MIN.
WIRE
TYPE
17.50
14.75
1/0
AWG
#1'2
AWG
AL
445
375
~0
100
#14
AWG
1/0
AWG
cu
i
\
t::NOCt::OUTS
SYMBOL
CONDUIT
SIZE
DIAMETER
"
MM
"
MM
v--c.o,E,F
A
,SO
13 .88
"
---
~~
KNOCKOUTS
8
,75
19
1.13
29
(.---·~·
c
1.00
25
1.38
35
--
~w
~;~g
--
c:e
c:y:
D
1.'2S
"
1.
7S
45
""~
L-s.3B==:J
E
1.50
38
2.00
51
LSD~
~3B_j
F
2.00
51
2.SO
64
38
37
162
10.50
26?
t
I \
NEMA
TYPE
1
ILLUSTRATED
C,D,E,F-...
~~~
:/
DUAL
DIMENSIONS,
~~Li~~~TERS
KNOCKOUTS
-A
HORSEPOWER
RATINGS
KNOCKOUTS
CATALOG
WIRING 240VAC
NOTES,
NUMBER
VOLT
AGE
RATINGS OIAG.
STD.
MAX.
FINISH
-
GRAY
BAKED
ENAMEL
UL
LISTED-
FILE
E-2875
.28
DIA
~CKOUT_j
'--/
\_B,C,D,E
1~
3¢
1¢
3¢
ALL
NEUTRALS
- INSULATED
GROUNDABLE
D2'23N
'240VAC
A 7
1/2
15>
15
30.
SUITABLE
FOR
USE
AS
SERVICE
EQUIPMENT
?
KNOCKOUTS
SHORT
CIRCUIT
CURRENT
RATINGS,
D3'23N
'240VAC
8 7
1/2
15
15 30
10,000
AMPERES
WITH
CLASS
H
OR
I<
FUSES.
DU323 •
'240VAC
c - - 15 30
100,000
AMPERES
WITH
CLASS
R
FUSES
HAVING
CLASS
R REJECTION t::ITS INSTALLED.
WHEN
MOUNTING
THESE
SWITCHES,
ALLOW
4.00
IN
I
102
MM
MIN.
CLEARANCE
BETWEEN
ENCLOSURES
FOR
OPENING
OF
SIDE HINGED
DOOR.
IDISI3UARE
Je
FOR
CORNER
GROUNDED
DELTA
SYSTEMS
ONLY.
GENERAL
DUTY
SAFETY
SWITCHES
D
COMPANY
•REQUIRES
FIELD
INSTALLATION
OF
EQUIPMENT
GROUNDING
t::IT GTt::0510
WHEN
VISIBLE
BLADE
TYPE
USED
AS
SERVICE EQUIPMENT.
100
AMPERE
:fLUGS
SUITABLE
FOR
60"C
or
7S"C
CONDUCTORS.
ENCLOSURE
-
NEMA
TYPE
1
GENERAL
PURPOSE
owa.
1864
NO,
JUNE
'2000
REF
DWG
•1
864