Electrical Installation; Safety Information - Siemens SINAMICS S120 Manual

Electrical installation

4.1

Safety information

Required safety precautions before installation work is carried out
Failure to observe the general safety instructions and residual risks
If the general safety instructions and remaining risks are not observed, accidents can occur
involving severe injuries or death.
• Observe the general safety instructions.
• When assessing the risk, take into account residual risks.
Electric shock when using unsuitable fuses
If unsuitable fuses are used, an electric shock can cause severe injury or death.
• Use only fuses recommended in the technical data.
• Observe the necessary minimum short circuit current for the relevant fuse.
Electric shock due to the residual charge of the DC link capacitors
Because of the DC-link capacitors, a hazardous voltage is still present for a period of time
after the power supply has been switched off.
Coming into contact with live components can result in severe injury or death.
• Open the device only after the time specified on the warning label has elapsed.
• Before starting work, check the absence of voltage by measuring all poles/phases, also
NOTICE
Material damage resulting from switching on the device without forming the DC-link
capacitors
After a storage time exceeding two years, switching on the device without forming the DC-
link capacitors can damage it.
• Before switching on the device, it should be formed after a storage time exceeding two
Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A
WARNING
WARNING
WARNING
to ground.
years, see Chapter "Maintenance and servicing".
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