Safety Notes - Siemens SINAMICS G120 Operating Instructions Manual

Safety notes

It has to be ensured by the machine manufacturer, that the line-side overcurrent protection
equipment interrupts within 5 s (immovable equipment and modules in immovable
equipment) in the case of minimum fault current (current on complete insulation failure to
accessible conductive parts that are not live during operation and maximum current loop
resistance).
Risk of electrical shock!
Hazardous voltage is still present for up to 5 minutes after the power supply has been
switched off.
It is not permissible to carry out any installation work before this time has expired!
General
This equipment contains dangerous voltages and controls potentially dangerous rotating
mechanical parts.
Protection in case of direct contact by means of SELV / PELV is only permissible in areas
with equipotential bonding and in dry indoor rooms. If these conditions are not fulfilled,
other protective measures against electric shock must be applied e.g. protective insulation.
The inverter must always be grounded. As the earth leakage for this product can be greater
than 3.5 mA a.c., a fixed earth connection is required and the minimum size of the
protective earth conductor shall comply with the local safety regulations for high leakage
current equipment.
Install the inverter on a metal mounting plate. The mounting plate has to be unpainted and
with a good electrical conductivity.
It is strictly prohibited for any mains disconnection to be performed on the motor-side of the
system, if the inverter is in operation and the output current is not zero.
Take particular notice of the general and regional installation and safety regulations
regarding work on dangerous voltage installations (e.g. EN 50178) as well as the relevant
regulations regarding the correct use of tools and personal protective equipment (PPE).
Static discharges on surfaces or interfaces that are not generally accessible (e.g. terminal
or connector pins) can cause malfunctions or defects. Therefore, when working with
inverters or inverter components, ESD protective measures should be observed.
SINAMICS G120C Inverter
Operating Instructions, 01/2011, FW 4.4, A5E02999804A AB
DANGER
WARNING
CAUTION
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