48 Planning the electrical installation
Selecting the supply disconnecting device
According to safety regulations, equip each drive with a supply disconnecting device.
Install a hand-operated input disconnecting device between the AC power source
and the drive.
Note
: You must be able to lock the disconnecting device to the open position for
installation and maintenance work.
Requirements in European Union (EU) countries
To meet the European Union Directives, according to standard EN 60204-1, Safety of
Machinery, the disconnecting device must be one of the following types:
• switch-disconnector of utilization category AC-23B (EN 60947-3)
• disconnector that has an auxiliary contact that in all cases causes switching
devices to break the load circuit before the opening of the main contacts of the
disconnector (EN 60947-3)
• circuit breaker suitable for isolation in accordance with EN 60947-2.
Requirements in non-EU countries
The disconnecting device must conform to the applicable local safety regulations.
Содержание ACL30
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