Safety instructions 19
• Make sure that the voltage between the DC busbars is close to 0 V. You can
measure the voltage through the holes in the cover.
7. Install temporary grounding as required by the local regulations. Connect the AC and
DC busbars to PE with a temporary grounding tool.
8. Ask the person in control of the electrical installation work for a permit to work.
Additional instructions and notes
WARNING! Obey these instructions. If you ignore them, injury or death, or
damage to the equipment can occur.
• If you are not a qualified electrician, do not do electrical installation or maintenance
work.
• Do not install a drive with EMC filter (option +E202) on an ungrounded power system
or a high resistance-grounded (over 30 ohms) power system.
• Do not connect the drive to a voltage higher than what is specified on the type
designation label.
• We do not recommend that you secure the cabinet by arc welding. If you have to, obey
the instructions on page 67.
• Do not do insulation or voltage withstand tests on the drive or its modules.
Note:
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