09.02  Connection 
Siemens AG    6SE7087-6AK85-1AA0 
3-13 
Rectifier/Regenerating Unit    Operating instructions 
Unit Order No.  Rated 
input 
current
Feed-
back 
current 
Line voltage 
range 
±15% 
Autotransformer 
Duty factor 
Autotransformer 
Duty factor 
      Volt.  Freq..  100%  25% 
6SE70  (A)  (A)  (V)  (Hz)     
41-3FK85-1AA0 1119 1235  500  50/60 4BU6295-0UA11-8A 4BU5695-0UA61-8A
  600 60 4BU6295-0UA51-8A 4BU5695-0UA21-8A
41-3FK85-1AD0 1119 1235  500  50/60 4BU6295-0UA11-8A 4BU5695-0UA61-8A
  600 60 4BU6295-0UA51-8A 4BU5695-0UA21-8A
41-5FK85-1AA0 1306 1442  500  50/60 4BU6295-0UA21-8A 4BU5895-0UA61-8A
  600 60 4BU6295-0UA61-8A 4BU5895-0UA81-8A
41-5FK85-1AD0 1306 1442  500  50/60 4BU6295-0UA21-8A 4BU5895-0UA61-8A
  600 60 4BU6295-0UA61-8A 4BU5895-0UA81-8A
41-8FK85-1AA0 1633 1803  500  50/60 4BU6495-0UA01-8A 4BU5995-0UA21-8A
  600 60 4BU6395-0UA11-8A 4BU5995-0UA41-8A
41-8FK85-1AD0 1633 1803  500  50/60 4BU6495-0UA01-8A 4BU5995-0UA21-8A
  600 60 4BU6395-0UA11-8A 4BU5995-0UA41-8A
31-4HE85-1AA0 123  136 660-690 50/60 4BU4795-0UA31-8A 4BU4395-0UA31-8A
32-2HE85-1AA0 193  213 660-690 50/60 4BU5295-0UA21-8A 4BU4595-0UA51-8A
32-7HE85-1AA0 234  258 660-690 50/60 4BU5395-0UA31-8A 4BU4795-0UA51-8A
34-2HE85-1AA0 366  404 660-690 50/60 4BU5595-0UA11-8A 4BU5295-0UA31-8A
35-3HE85-1AA0 465  514 660-690 50/60 4BU5895-0UA31-8A 4BU5395-0UA51-8A
37-7HH85-1AA0 671  741 660-690 50/60 4BU6095-0UA21-8A 4BU5695-0UA31-8A
41-0HH85-1AA0 898  992 660-690 50/60 4BU6295-0UA31-8A 4BU5895-0UA41-8A
41-3HK85-1AA0 1119  1235 660-690 50/60 4BU6395-0UA01-8A 4BU5995-0UA11-8A
41-3HK85-1AD0 1119  1235 660-690 50/60 4BU6395-0UA01-8A 4BU5995-0UA11-8A
41-5HK85-1AA0 1306  1442 660-690 50/60 4BU6495-0UA11-8A 4BU6095-0UA31-8A
41-5HK85-1AD0 1306  1442 660-690 50/60 4BU6495-0UA11-8A 4BU6095-0UA31-8A
41-8HK85-1AA0 1633  1803 660-690 50/60 4BU6595-0UA01-8A 4BU6295-0UA41-8A
41-8HK85-1AD0 1633  1803 660-690 50/60 4BU6595-0UA01-8A 4BU6295-0UA41-8A
Table 3.7  Recommended autotransformers 
AoteWell Automation Sales Team
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