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the clearance must be. If a sufficient clearance cannot be maintained, you must install
additional shields.
● Avoid unnecessarily long cable loops.
Filtering cables
● Line supply cables and power supply cables for devices and modules may have to be
filtered in the cabinet to reduce incoming or outgoing disturbances.
● To reduce emissions, the drive is equipped with a radio interference suppression filter as
standard (in accordance with the limits defined in category C3). Optional filters can be
fitted for use in the first environment (category C2).
Protective ground conductors
● According to NFPA70 National Electrical Code Article 250, the minimum cross-section of
the protective ground conductor must conform to the local safety regulations for
protective ground conductors for equipment with a high leakage current.
4.6
Power connections
Electric shock caused by interchanging or short-circuiting the device connections
Interchanging the line connections and motor connections or short-circuiting the DC-link
connections will damage the device that can cause death or severe injuries.
• Do not interchange the input and output terminals of the device.
• Do not interchange or short-circuit the DC link terminals.
Note
Ground fault circuit interrupter
It is not permissible that the device is operated via a ground fault circuit interrupter
(IEC 61800-5-1).
Enclosed Drives
Operating Instructions, 12/2018, A5E36652151A
WARNING
Electrical installation
4.6 Power connections
67
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