![](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)
3-70
3
M
2 perm
^
2848 Nm
GST11-3N
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
GST11-3N
òòò
ò
G
61.250
6.09
2433
23
T4
T4
T4
1G
2G
2G
3G
71.011
4.75
2197
20
T4
T4
T4
132
100
112
132
80.694
4.95
2604
17
T4
T4
T4
300
250
250
250
87.267
3.96
2251
16
T4
T4
T4
99.167
4.14
2676
14
T4
T4
T4
112.933
3.18
2344
12
T4
T4
T4
n
1
= 700 rpm
GST11-3N
òòò
ò
C
207.778
0.67
1811
3.4
T4
T4
T4
1C
2C
3C
4C
6C
7C
236.622
0.67
2062
3.0
T4
T4
T4
80
71
71
71
63
80
252.167
0.56
1835
2.8
T4
T4
T4
160
160
105
120
160
120
268.889
0.67
2344
2.6
T4
T4
T4
326.333
0.56
2375
2.2
T4
T4
T4
363.000
0.45
2118
1.9
T4
T4
T4
412.500
0.45
2407
1.7
T4
T4
T4
GST11-3N
òòò
ò
D
40.816
1.54
819
17
T4
T4
T4
1D
2D
44.000
1.54
883
16
T4
T4
T4
90
80
50.000
1.54
1003
14
T4
T4
T4
160
160
57.968
1.54
1163
12
T4
T4
T4
129.074
1.34
2254
5.4
T4
T4
T4
146.993
1.34
2567
4.8
T4
T4
T4
158.194
1.15
2366
4.4
T4
T4
T4
180.156
1.15
2695
3.9
T4
T4
T4
207.778
0.90
2436
3.4
T4
T4
T4
236.622
0.87
2695
3.0
T4
T4
T4
252.167
0.75
2468
2.8
T4
T4
T4
268.889
0.81
2848
2.6
T4
T4
T4
326.333
0.67
2848
2.2
T4
T4
T4
363.000
0.57
2695
1.9
T4
T4
T4
412.500
0.53
2848
1.7
T4
T4
T4
GST11-3N
òòò
ò
E
40.816
3.21
1710
17
T4
T4
T4
1E
1E
2E
3E
4E
44.000
3.21
1843
16
T4
T4
T4
100
112
90
80
90
50.000
3.21
2095
14
T4
T4
T4
160
160
160
160
200
57.968
2.79
2112
12
T4
T4
T4
61.250
2.77
2208
11
T4
T4
T4
71.011
2.37
2197
9.9
T4
T4
T4
80.694
2.48
2604
8.7
T4
T4
T4
87.267
1.98
2251
8.0
T4
T4
T4
99.167
2.07
2676
7.1
T4
T4
T4
112.933
1.59
2344
6.2
T4
T4
T4
129.074
1.67
2810
5.4
T4
T4
T4
146.993
1.35
2591
4.8
T4
T4
T4
158.194
1.36
2810
4.4
T4
T4
T4
180.156
1.15
2695
3.9
T4
T4
T4
207.778
1.04
2810
3.4
T4
T4
T4
236.622
0.87
2695
3.0
T4
T4
T4
252.167
0.85
2810
2.8
T4
T4
T4
268.889
0.81
2848
2.6
T4
T4
T4
326.333
0.67
2848
2.2
T4
T4
T4
GST11-3N
òòò
ò
F
40.816
3.38
1801
17
T4
T4
T4
1F
1F
2F
3F
44.000
3.38
1942
16
T4
T4
T4
100
112
90
90
50.000
3.38
2206
14
T4
T4
T4
160
160
160
200
57.968
2.79
2112
12
T4
T4
T4
61.250
2.92
2331
11
T4
T4
T4
71.011
2.37
2197
9.9
T4
T4
T4
80.694
2.48
2604
8.7
T4
T4
T4
87.267
1.98
2251
8.0
T4
T4
T4