![](https://www.globalindustrialsupplies.eu/wp-content/uploads/2016/08/lenze-gallery-1-356x200.jpg)
For dimensions, see page 3-88 onwards.
Helical gearbox selection tables
Gearboxes with mounting flange for Atex category 2GD, 3GD (zone 1, 21, 2, 22)
3-67
3
M
2 perm
^
2596 Nm
GST11-2N
òòò
Gearbox with
Mounting flange size
i
P
1 perm
M
2 perm
n
2
Temperature class
Motor frame size
T3 (G)
v
190 °C (D)
Flange diameter
T4 (G)
v
125 °C (D)
Mounting position
A, B,
C
D
[kW]
[Nm]
[rpm]
E, F
G-motion atex en 06/2011
n
1
= 1400 rpm
GST11-2N
òòò
ò
G
20.289
14.70
1974
69
T4
T3
T4
1G
2G
2G
3G
23.056
14.70
2244
61
T4
T3
T4
132
100
112
132
24.933
12.30
2030
56
T4
T4
T4
300
250
250
250
28.333
12.30
2307
49
T4
T4
T4
32.267
9.88
2109
43
T4
T4
T4
36.667
9.88
2397
38
T4
T4
T4
39.160
8.25
2137
36
T4
T4
T4
44.500
8.25
2429
32
T4
T4
T4
GST11-2N
òòò
ò
H
4.056
44.77
1202
345
T3
T3
T3
1H
2H
3H
4.457
43.91
1295
314
T3
T3
T3
160
180
132
5.324
39.34
1386
263
T3
T3
T3
350
350
300
5.850
38.45
1489
239
T3
T3
T3
6.400
37.29
1579
219
T3
T3
T3
6.864
36.66
1666
204
T3
T3
T3
7.800
33.02
1704
180
T3
T3
T3
9.010
30.56
1822
155
T3
T3
T3
9.856
28.75
1875
142
T3
T3
T3
11.200
25.89
1919
125
T3
T3
T3
12.571
24.43
2033
111
T3
T3
T3
14.286
21.99
2079
98
T3
T3
T3
15.400
21.32
2173
91
T3
T3
T3
17.500
19.20
2224
80
T3
T3
T3
20.289
17.70
2376
69
T4
T3
T4
23.056
15.91
2428
61
T4
T3
T4
24.933
15.44
2548
56
T4
T3
T4
28.333
13.84
2596
49
T4
T3
T4
GST11-2N
òòò
ò
K
4.056
44.77
1202
345
T3
T3
T3
1K
2K
4.457
43.91
1295
314
T3
T3
T3
200
225
5.324
39.34
1386
263
T3
T3
T3
400
450
5.850
38.45
1489
239
T3
T3
T3
6.400
37.29
1579
219
T3
T3
T3
6.864
36.66
1666
204
T3
T3
T3
7.800
33.02
1704
180
T3
T3
T3
9.010
30.56
1822
155
T3
T3
T3
9.856
28.75
1875
142
T3
T3
T3
11.200
25.89
1919
125
T3
T3
T3
12.571
24.43
2033
111
T3
T3
T3
14.286
21.99
2079
98
T3
T3
T3
15.400
21.32
2173
91
T3
T3
T3
17.500
19.20
2224
80
T3
T3
T3
n
1
= 700 rpm
GST11-2N
òòò
ò
E
32.267
2.39
1021
22
T4
T4
T4
1E
1E
2E
3E
4E
36.667
2.39
1161
19
T4
T4
T4
100
112
90
80
90
39.160
2.00
1036
18
T4
T4
T4
160
160
160
160
200
44.500
2.00
1177
16
T4
T4
T4
49.500
1.60
1050
14
T4
T4
T4
56.250
1.60
1194
12
T4
T4
T4
GST11-2N
òòò
ò
F
12.571
4.40
732
56
T4
T4
T4
1F
1F
2F
3F
14.286
4.40
832
49
T4
T4
T4
100
112
90
90
20.289
3.82
1027
35
T4
T4
T4
160
160
160
200
23.056
3.82
1167
30
T4
T4
T4
24.933
3.20
1055
28
T4
T4
T4
28.333
3.20
1198
25
T4
T4
T4
32.267
2.57
1097
22
T4
T4
T4
36.667
2.57
1246
19
T4
T4
T4
39.160
2.14
1111
18
T4
T4
T4
44.500
2.14
1263
16
T4
T4
T4
49.500
1.72
1126
14
T4
T4
T4
56.250
1.72
1280
12
T4
T4
T4