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9.3.3
Secure locking system (option M10)
The doors are protected by a key transfer system.
Figure 9-3
①
Circuit-breaker
②
Coded key for the key transfer unit
③
Key transfer unit
④
Coded key for cabinet doors
⑤
Locks for the cabinet doors
Figure 9-4
Components of the secure locking system
SINAMICS SM150 6SL3815-7NP41-0AA1
Operating Instructions Rev.201910281301 EXAMPLE
Principle of the mechanical door interlock
Maintenance
9.3 Opening the doors
155
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