Structure and function
Protective devices
4.4.3
Main switch
56
0
1
1 Main switch OFF
Illustration 21: Main switch
The main switch has the following properties:
• it disconnects the machine from the electrical supply,
• it has only one OFF and one ON position, labeled as 0 and I,
• it is equipped with a device that enables it to be locked in the OFF po-
sition (e.g. by a padlock).
When switching off the main switch during production:
•
the machine is stopped,
•
the drives gradually run down,
I
2
2 Main switch ON
Rewinder RW500