SIEMENS
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Siemens MD 50.8 · 2017
Motor options
Mounted components
Brake
6
■
Brake options
Manual brake release
The brakes L can be supplied with a manual brake release lever.
The manual brake release lever can be used to release the brake
at zero current. When the brake has been released, the motor
shaft can rotate freely in order to bring the output shaft to a
certain position or for use as an emergency release in the event
of a power failure, for example.
The manual brake release lever can be fixed in the released
position using an additional locking mechanism mounted on the
brake.
The manual brake release lever can be mounted in various
different positions. The position of the manual brake release
lever relates to the standard design of the motor. The standard
position is "2".
Fig. 6/40
Example of manual brake release lever with locking
mechanism for brake L
Fig. 6/41
Manual brake release lever position
Order code:
Manual brake release lever
C02
Manual brake release lever with locking
mechanism
C03
G_D087_XX_00120a
1
2
3
4
N
D
α
G_D087_XX_000167
Manual brake release
lever position
Motor frame size
Order code
63
71
80
90
100
112
132
Angle
1
0°
10°
0°
0°
0°
0°
0°
C26
2
90°
100°
90°
90°
90°
90°
90°
C27
3
180°
190°
180°
180°
180°
180°
180°
C28
4
270°
280°
270°
270°
270°
270°
270°
C29
© Siemens AG 2017