SIEMENS
6/33
Siemens MD 50.8 · 2017
Motor options
Mounted components
Brake
6
■
Technical specifications
(continued)
1)
Disconnection times, application times and moments of inertia for brakes L
Brake
type
Rated braking
torque
Disconnection time
Application
time
Response
time
Rise
time
Application
time
Response
time
Rise
time
Weight
Moment of inertia
T
br
t
2
t
1
=
t
11
+
t
12
t
11
t
12
t
1
=
t
11
+
t
12
t
11
t
12
J
B
At 100 rpm
Standard
excitation
Over-
excitation
AC and DC switched or
DC switched
AC switched
For wear-
resistant
lining
Nm
ms
ms
ms
ms
ms
ms
ms
ms
kg
10
-4
kgm
2
L4/1.4
1.4
20
13
31
13.0
18.0
250
110
140
0.85
0.15
0.15
L4/2
2.0
27
17
22
9.0
13.0
175
77
98
L4/3
3.0
29
18
30
12.0
18.0
230
101
129
L4
4.0
45
28
28
15.0
13.0
190
120
70
L4/5
5.0
56
35
25
13.0
12.0
158
100
58
L8/3
3.0
21
12
65
39.0
26.0
510
326
184
1.5
0.61
0.61
L8/4
4.0
30
17
50
30.0
20.0
390
250
140
L8/5
5.0
35
20
40
24.0
16.0
310
200
110
L8/6.3
6.3
45
30
38
18.0
20.0
315
174
141
L8
8.0
57
38
31
15.0
16.0
245
135
110
L8/10
10.0
71
47
26
12.5
13.5
205
113
92
L16/8
8.0
55
41
36
22.0
14.0
350
183
167
2.6
2
2
L16/10
10.0
48
36
58
35.0
23.0
680
355
325
L16/13
13.0
60
34
50
30.0
20.0
560
293
267
L16
16.0
76
48
47
28.0
19.0
460
240
220
L16/20
20.0
93
59
38
23.0
15.0
390
204
186
L32/14
14.0
65
50
46
27.0
19.0
400
210
290
3.9
4.5
4.5
L32/18
18.0
65
44
70
45.0
25.0
600
325
275
L32/23
23.0
82
56
75
40.0
35.0
680
300
380
L32
32.0
115
78
53
28.0
25.0
490
215
275
L32/40
40.0
140
95
45
24.0
21.0
440
194
246
L60/25
25.0
130
66
47
25.0
22.0
540
220
320
5.8
6.3
6.3
L60/38
38.0
140
60
60
24.0
36.0
800
290
510
L60/50
50.0
175
75
50
20.0
30.0
665
240
425
L60
60.0
210
90
42
17.0
25.0
580
210
370
L80/25
25.0
95
56
103
48.0
55.0
1 600
690
710
8.4
15
15
L80/35
35.0
128
75
73
34.0
39.0
1 200
520
680
L80/50
50.0
160
94
90
42.0
48.0
1 920
830
1 090
L80/63
63.0
170
100
72
34.0
38.0
1 550
670
880
L80
80.0
220
130
57
27.0
30.0
1 200
520
680
L80/100
100.0
280
165
49
24.0
25.0
990
430
560
L150/60
60.0
135
81
55
27.5
27.5
920
470
450
12.5
29
29
L150/80
80.0
180
108
40
20.0
20.0
690
350
340
L150/100
100.0
180
108
93
48.0
45.0
1 300
700
600
L150/125
125.0
225
135
85
44.0
41.0
1 200
650
550
L150
150.0
270
160
78
33.0
45.0
1 080
480
600
1)
Values refer to brake in its delivery state
© Siemens AG 2017