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15-7
schneider-electric.us
GS1 Fusible and LK3 Nonfusible,
UL98 Tested
IEC Style Disconnect Switches
Class 9421 / Refer to Catalog 9421CT0301
LK3 Dimensions
LK3DU3,
Compact LK3
30 A
90°
Door Drilling
4.56
116
3.78
96
1.94
37
0.59
15
1.00
25
1.00
25
2.00
51
0.75
19
1.83
46
2.59
66
2.48
63
3.84
98
1.78
45
0.72
18
0.56
14
Fix
3.13
80
Fix
Ø .19
M5
-ON
0-OFF
1.25
Ø 31
0.13
2 Ø 4.5
Mounting Hole
Dimension:
0.19 in. (4.8 mm)
LK3GU3/LK3JU3,
60 and 100 A
ø 0.19
5
FIX 1.50
38
5.88
149
70
170
6.69
2.75
FIX 5.25
133
67
2.63
76.2
3.00
70
2.75
99
3.88
89
3.50
90°
65°
Test Position
-ON
Door Drilling
2.00
50
2.00
50
.13
4 Ø 4.5
1.25
Ø 31
0-OFF
Mounting Hole
Dimension:
0.19 in. (4.8 mm)
LK3MU3,
200 A
Terminal Lugs 3/0 Max.
90°
65°
Test Position
-ON
Door Drilling
2.00
50
1.00
25
1.13
1.50
38
2.00
50
.44
11
Ø11.6
0.13
4 Ø 4.5
1.25
Ø 31
0-OFF
8.13
206
2.44
62
9.50
241
3.69
94
3.75
95
2.75
70
3.44
87
5.00
127
Ø
.19
5
Fix 7.50
191
29
Mounting Hole
Dimension:
0.19 in. (4.8 mm)
LK3QU3/LK3SU3,
400 and 600 A
Door Drilling
Terminal Lugs
2 x 600 MCM Max.
1.50
38
3.13
80
2.88
73
.38
10
Ø 10.2
.13
4 Ø 4.5
1.25
Ø 31
2.00
51
2.00
51
0.81
20
11.00
279
0.56
14
7.50
191
3.88
98
6.56
166
1.63
41
2.31
59
5.00
127
1.56
40
3.13
80
Fix
10.06
255
Fix
6.88
175
Fix 12.63
320
Mounting Hole
Dimension:
0.25 in. (6.3 mm)
LK3TU3/LK3UU3/
LK3WU3,
800, 1000, and 1250 A
Door Drilling
Terminal Lugs
2X600 MCM Max. 3X600 MCM Max.
3.13
80
3.56
91
1.56
40
2.50
64
2.88
73
3.00
76
1.50
38
Ø
.38
10
Ø 44
11
Ø
1.25
31
2.00
51
6.56
166
1.56
40
2.00
51
0.13
Ø 4.5
0.81
20
0.81
20
2.31
59
1.56
40
14.63
372
6.81
173
4.75
121
13.00
330
7.50
191
3.88
98
2.50
64
Fix
6.88
175
Fix
13.69
347
Mounting Hole
Dimension:
0.38 in. (9.6 mm)
15
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