09.02  Technical Data 
Siemens AG    6SE7087 6AK85-1AA0 
14-1 
Rectifier/Regenerating Unit    Operating Instructions 
14 Technical Data 
In the event of conditions of use other than those listed in this chapter, please contact your local Siemens 
branch or national subsidiary. 
 
Coolant temperature    0 °C to +40 °C 
Storage temperature   
− 25 °C to +70 °C 
Transport temperature   
− 25 °C to +70 °C 
Environmental class  3K3  DIN IEC 721-3-3 / 04.90 
Soiling  2  DIN VDE 0110 Part 1 / 01.89 
moisture not permitted 
Overvoltage category (power section)  III  DIN VDE 0110 Part 2 / 01.89 
Overvoltage resistance class 
(with converter connected) 
1 
 
DIN VDE 0160 / 04.91 
Type of protection 
Size C: 
− Standard 
Size E: 
− Standard 
− Option 
Size H + K: 
− Standard 
 
 
IP20 
 
IP00 
IP20 
 
IP00 
DIN VDE 0470 Part 1 / 11.92 
=
∧
 EN 60529 
Interference immunity    IEC 801-2, IEC 801-4 
Mechanical strength    DIN IEC 68-2-6 / 06.90 
  Frequency range  Constant amplitude of 
 deflection acceleration 
 Hz mm m/s
2
 (g) 
10 to 58  0.075   
− stationary use 
more than 58 to 500    9.8 (1) 
 3.5  
− during transport 
 9.8 (1) 
The units can also be operated in load class II. The permissible values must be taken from the following tables. 
100%
91%
136%
t/(s)240s
60s
I
(A)
Load class 
 ΙΙ   
Load class  
Ι
 
 
Figure 14.1  Power output according to load class II 
AoteWell Automation Sales Team
Buy Siemens PLC HMI Drives at AoteWell.com