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Fundamental safety instructions
1.1 General safety instructions
Active implant malfunctions due to electromagnetic fields
Inverters generate electromagnetic fields (EMF) in operation. Electromagnetic fields may
interfere with active implants, e.g. pacemakers. People with active implants in the immediate
vicinity of an inverter are at risk.
● As the operator of an EMF-emitting installation, assess the individual risks of persons with
● Observe the data on EMF emission provided in the product documentation.
Unexpected movement of machines caused by radio devices or mobile phones
When radio devices or mobile phones with a transmission power > 1 W are used in the
immediate vicinity of components, they may cause the equipment to malfunction.
Malfunctions may impair the functional safety of machines and can therefore put people in
danger or lead to property damage.
● If you come closer than around 2 m to such components, switch off any radios or mobile
● Use the "SIEMENS Industry Online Support app" only on equipment that has already been
NOTICE
Damage to motor insulation due to excessive voltages
When operated on systems with grounded line conductor or in the event of a ground fault in
the IT system, the motor insulation can be damaged by the higher voltage to ground. If you use
motors that have insulation that is not designed for operation with grounded line conductors,
you must perform the following measures:
● IT system: Use a ground fault monitor and eliminate the fault as quickly as possible.
● TN or TT systems with grounded line conductor: Use an isolating transformer on the line
Fire due to inadequate ventilation clearances
Inadequate ventilation clearances can cause overheating of components with subsequent fire
and smoke. This can cause severe injury or even death. This can also result in increased
downtime and reduced service lives for devices/systems.
● Ensure compliance with the specified minimum clearance as ventilation clearance for the
14
WARNING
active implants.
WARNING
phones.
switched off.
side.
WARNING
respective component.
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC
SINAMICS G120X converter
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