09.02  Maintenance 
Siemens AG    6SE7087-6AK85-1AA0 
8-9 
Rectifier/Regenerating Unit    Operating instructions 
I
dav 
[A] 
Rating plate 
R75 R76 
[Ω] 
R77 R78 
[Ω] 
R79 R80 
[Ω] 
Voltage class 600V 
27 75 27000 - 
41 51 1300 - 
72 36 120 - 
94 39 47  - 
151 22  33  - 
235 16  18  - 
270 11  22  - 
354 10  13  - 
420 18 130 6.8 
536 12  27 6.8 
774 4.7  11  12 
1023 4.7  4.7  12 
1285 10  33  12 
1464 12  12  13 
1880 8.2  10  11 
Voltage class 690V 
140 27  30  - 
222 10  91  - 
270 11  22  - 
420 18 130 6.8 
536 12  27 6.8 
774 4.7  11  12 
1023 4.7  4.7  12 
1285 10  33  12 
1464 12  12  13 
1880 8.2  10  11 
 
Resistors of series W97041.. tolerance:  0.50%  for  R ≤ 10Ω 
  0.25%  for 10Ω < R < 47Ω  R
79
 and R
80
 not envisaged on A1681 . 
  0.10%  for  R ≥ 47Ω 
 
The load resistance setpoint refers to the DC link current I
dav 
stated on the rating plate. 
 
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