LENZE
Gearbox
Drive size
GFL
òò
-3N HCK
1A
1B
2B
1C
2C
3C
4C
6C
7C
1D
2D
corresponds to IEC motor
63
71
63
80
71
71
71
63
80
90
80
Housing
k
1
75
77
75
91
115
k
2
120
145
120
145
180
Flange
a
3
90
105
90
160
160
105
120
160
120
160
b
3
H8
60
70
60
110
110
70
80
110
80
110
c
3
7
8
7
10
10
8
8
10
8
10
e
3
75
85
75
130
130
85
100
130
100
130
f
3
3
3
4
4
3
3.5
4
3.5
4
s
3
4 x
5.5
6.6
5.5
9
9
6.6
6.6
9
6.6
9
Required
d
3
11
14
11
19
14
14
14
11
19
24
19
motor shafts
l
3
min
23
30
23
25
23
25
50
40
max
23
30
23
40
40
40
50
50
u
1
4
5
4
6
5
5
5
4
6
8
6
t
1
12.5
16
12.5
21.5
16
16
16
12.5
21.5
27
21.5
Gearbox
Overall length
size
k
05
331
338
331
352
06
369
376
369
390
424
07
434
448
482
09
491
505
539
11
565
599
14
678
4
Shaft-mounted helical gearbox dimensions
Gearbox with mounting flange for IEC standard motors
4-102
L-force gearboxes en 06/2011