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15-11
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Approximate Dimensions
Door-Mounted Operating Mechanisms
Class 9421 / Refer to Catalog 9420CT9701
Panel Drilling, Types G, F, and K
Refer to Table 15.30 for the shaft cutting dimensions.
Handle Mechanism
Handle
Mechanism
(2) #8-32 Tap
2.38
60
L
H
Mounting Depth
.28
Maximum
7 Door Thickness
L = Overall shaft lengthPanel drilling for GJL circuit breaker
and operating mechanism
H = Distance from inside of enclosure door to circuit
breaker mounting surface
1.38
35
3.50
Min.
45
1.18
30
.50
13
.45
12
4.72
120
1.77
45
3.94
100
Screw Driver
Interlock Pin
Location
C
L
C
L
X
Refer to NEC
Article 430-10
for minimum
dimension from
top mounting hole
to wall or barrier
to ensure adequate
wire bending space.
NOTE: The mounting depth is measured from the circuit breaker mounting surface (control panel) to the outside of the enclosure door.
2.25
57
1.50
38
7.00
178
1.63
41
6.00
152
R
5.13
130
(4) #8-32 Tap
1.56
40
.75
19
4.50
114
Hinge
Point of
Door
C
L
Handle
Mechanism
C
L
Handle & Ckt. Bkr. Toggle
Minimum to wall or
barrier to ensure
adequate wire bending
space to lug surface
when maximum wire
size is used with
standard lugs.
Refer to NEC Article
430-10.
3.25
Minimum
83 (Both Sides)
3.25
Minimum
83 (Both Sides)
2.25
57
1.50
38
13.50
343
1.63
41
6.00
152
R
7.13
181
(4) #10-24 Tap
C30080-120
1.81
46
.75
19
4.50
114
Hinge
Point of
Door
C
L
Handle & Ckt. Bkr. Toggle
Minimum to wall or
barrier to ensure
adequate wire bending
space to lug surface
when maximum wire
size is used with
standard lugs.
Refer to NEC Article
430-10.
Dimensions:
in.
mm
Panel drilling for FAL, FCL, and FHL
circuit breakers and operating mechanisms
Panel drilling for KAL, KCL, and KHL
circuit breakers and operating mechanisms
Table 15.30: Shaft Cutting Dimensions, in. (mm)
Class
Type
Shaft Length
Formula
H = Standard Shaft
H = Long Shaft
Min. Max. Min. Max.
9421
LG7, LG1, LG4, LG3
L = H–2.50 (64)
5.50
(140)
10.25
(260)
5.50
(140)
20.85
(530)
9421
LF1, LN1, LN3, LN4
L = H–2.88 (73)
5.50
(140)
10.44
(265)
5.50
(140)
21.00
(533)
9421
LK1, LP1, LP3, LP4
L = H–3.63 (92)
6.25
(159)
11.19
(284)
6.25
(159)
21.75
(552)
9421
LL1, LR1, LR4
L= H–3.13 (790)
6.31
(160)
10.88
(276)
6.31
(160)
21.50
(546)
9421
LM1, LT1, LT4
L= H–4.00 (102)
7.18
(182)
11.63
(295)
7.18
(182)
22.25
(565)
9421
LX7, LX1, LX4
L= H–5.17 (131)
8.25
(210)
12.75
(324)
8.25
(210)
23.38
(594)
15
OPERATING MECHANISMS AND
DISCONNECT SWITCHES