Transport, Unpacking and Assembly  05.00 
2-2  Siemens AG    6SE7087-6AK85-1AA0 
  Rectifier/Regenerating Unit    Operating Instructions 
WARNING 
 
For safe operation of the unit, it is presumed it will be assembled and commissioned by 
qualified personnel, paying attention to the warning notes given in these operating 
instructions. 
Particular note must be taken both of the general and national erection and safety 
regulations regarding work on power installations (e.g. VDE) and regulations regarding the 
proper use of tools and of personal protective equipment. 
Non-observance of warning notices can result in death, severe personal injury or 
considerable property damage. 
The unit must be protected against the ingress of foreign matter as otherwise proper 
functioning and safety will not be guaranteed. 
 
Requirements for the installation site 
Operating facilities must be dry and dust-free. Air fed in must not 
contain any gases, vapors or dusts that are electrically conductive or 
detrimental to functioning. Air containing dust must be filtered. 
WARNING 
 
Dimension cabinet ventilation according to the 
dissipated power! (Technical data in Chapter 14) 
 
The unit’s ambient climate in operating rooms must not exceed the 
values of code 3K3 as detailed in DIN IEC 721 Part 3-3 /04.90. A 
reduction of power as detailed in Chapters 14.1 and 14.2 is 
necessary in the event of temperatures > 40 °C (104 °F) and 
altitudes >1000m. The terminal voltage has to be reduced for 
altitudes > 2000m. 
 
Carry out assembly in accordance with the dimension drawings in  
Section 2.4. 
6SE70
Dissipate power
Cooling air
 ≤ 
40 °C (50°C)
 
 
Figure 2.1  Installation in control cabinets 
 
WARNING 
 
In the case of units of size H and K, all plastic covers must be mounted to ensure correct 
air flow and cooling for the units. 
 
AoteWell Automation Sales Team
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