9421LF1 SQUARE D, 9421LF1 Datasheet - Page 7
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9421LF1
Manufacturer Part Number
9421LF1
Description
CIRCUIT BREAKERS, ACCESSORIES
Manufacturer
SQUARE D
Datasheet
1.9422ATCF331.pdf
(44 pages)
Front Cover
9421 30 Amp NC
Mounting Dimensions
9421 60 Amp ND
Mounting Dimensions
120
12/97
Drilling Dimensions for 9421 NW2/NW2B
1.34
(34)
120
1 Hole
1.375 (35) diameter
1.34
(34)
3.50
4.25
108
89
3 Holes
1.36 (34.5) diameter
MINIMUM
MIN.
(millimeters)
MUST BE INNER AUXILIARY CONTACT
MUST BE INNER AUXILIARY CONTACT
inches
QUANTITY (2) MOUNTING SCREWS #8-32 X 2 / M4 X 50MM (PROVIDED WITH SWITCH)
(39.4)
QUANTITY (4) MOUNTING SCREWS #8-32 X 2 / M4 X 50MM (PROVIDED WITH SWITCH)
1.55
8.00
203
(19.4)
171 MINIMUM
6.75
85
0.77
3.34
7.62
0.30
MINIMUM
mtg
4.72
120
mtg
© 1997 Square D All Rights Reserved
0.40
10
Outline Dimensions and General Location Information
for 60 Amp Type N Disconnect Switches
1.62
AUXILIARY CONTACT
41
1.75
45
0.63
FLANGE
TYP. PER CONTACT
(16)
LINE TERMINALS
MUST BE INNER
3.23
DOOR
82
UP TO FOUR AUXILIARY
BLOCKS MAY BE FITTED
MINIMUM
LOAD TERMINALS
1.97
50
mtg
1.75
45
DOOR
FLANGE
3.94
9.75
248
100
MINIMUM
(SEE NOTE )
mtg
MINIMUM
(SEE NOTE )
9.75
248
MINIMUM
LOAD TERMINAL SHIELD OPTIONAL
LINE TERMINAL SHIELD STANDARD
5.62 (143)
5.14 (131)
DIMENSION Y
DIMENSION Y
OPERATING SHAFT & COUPLING
DISTANCE FROM OUTSIDE OF DOOR TO SWITCH MOUNTING SURFACE.
DISTANCE FROM OUTSIDE OF DOOR TO SWITCH MOUNTING SURFACE.
17.87/445 MAXIMUM WHEN USING THE TYPE NS36 SHAFT
10.75/273 MAXIMUM WHEN USING THE TYPE NS16 SHAFT
(136)
5.36
6.11/155 MINIMUM WITH CUT SHAFT
CAP SCREW PROVIDED WITH DEVICE.
TORQUE 2NM (18 LB. IN.)
FOR EXTENSION SHAFT
MODIFICATION SEE
FIGURE 3
WHEN ADDING EXTENSION SHAFT
USE BOTH COTTER PIN AND
M3 X 8MM LONG SOCKET HEAD
DUAL DIMENSIONS
17.87/445 MAXIMUM WHEN USING THE TYPE NS36 SHAFT
10.75/273 MAXIMUM WHEN USING THE TYPE NS16 SHAFT
6.11/155 MINIMUM WITH CUT SHAFT
CAP SCREW PROVIDED WITH DEVICE.
TORQUE 2NM (18 LB. IN.)
FOR EXTENSION SHAFT
MODIFICATION SEE
FIGURE 3
WHEN ADDING EXTENSION SHAFT
USE BOTH COTTER PIN AND
M3 X 8MM LONG SOCKET HEAD
(155)
6.10
DUAL DIMENSIONS
(millimeters)
inches
IN
MM
IN
MM
TERMINAL CONNECTIONS
(128)
5.06
(124)
4.87
With Fuse Cover
TYPE ND 1, ND 3
1.27
(32)
7