Siemens SIMOTICS M 1PH8 Configuration Manual page 197

Design, method of operation and construction features
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Figure 5-9
The NFF brake is a spring-loaded electromagnetic twin-disk brake that brakes in the de-
energized state and releases electromagnetically.
1PH8 SIMOTICS M main motors
Configuration Manual, 12/2022, A5E51895839A
Coil form with coil
Friction disk with friction lining
Terminal box, complete
Manual brake release, complete
Armature disk
Brake flange
Tacho flange
Socket
Adjustment ring
Pinion
Shim
Compression springs
Sliding block
Spacer for terminal box
Spring bolt
Manual release cover
Eccentric bolt
Deep-groove ball bearing
Microswitch
Mounting of holding brake SH 180 and SH 225
Motor components and options
40 Screw for tacho flange
41 Fixing screw
42 Cylinder head screw
46 Fixing screw for manual release cover
47 Screw for sliding block
49 Emergency release screw
50 Screw plug for emergency release
52 Screw for blockable manual release
60 O-ring for tacho
61 O-ring for brake flange
63 Lock nut for microswitch
64 Grub screw (microswitch)
65 Screw plug for air gap measurement
67 Screw connection
73 Rating plate
74 Pin (rating plate mounting)
76 Adhesive
78 Washer for item 52
81 Sealing ring for item 50
5.2 Options
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