
1. Safety
1.1 Storing the operating instructions
These operating instructions contain safety notices that must be
observed during installation and maintenance. Therefore, keep
the operating instructions in a safe place for the entire life cycle
of the device.
Include the operating instructions if you sell the device or set it
up at another location.
1.2 Warning signs
Certain activities can cause danger during operation. Corre-
sponding warning signs concerning the dangers should precede
instructions concerning the activities. Danger signs are located
on the device.
A warning sign contains signal words which are explained in the
following table:
Signal word Description
DANGER Indicates a major danger. If it is not avoided,
serious injuries or death will result.
WARNING Indicates a dangerous situation. If it is not
avoided, it may lead to serious injuries.
CAUTION Indicates a potentially dangerous situation. If it
is not avoided, injuries may occur.
NOTICE If such a situation is ignored, material damage
may result.
Description of the signal words Tab. 1
1.3 Using the device
The device is a bidirectional inverter. It is used for charging a
DC link from a three-phase grid and for feeding the grid from
the DC link's energy.
■The power and the energy flow direction are adjustable.
■The device draws sinusoidal current from the mains or deliv-
ers sinusoidal current to the mains. The power factor cosφ
is adjustable.
■The DC link voltage is balanced to earth.
4Safety 2020-06-10 A67-0141-00.BKEN-
001-05
Typical fields of application