Connection  09.02 
3-2  Siemens AG    6SE7087-6AK85-1AA0 
  Rectifier/Regenerating Unit    Operating instructions 
3.1 Power connections 
 
U1
L1
PE1
D
L-
C
L+
V1
L2
W1
L3
X1
1U2
1T1
1V2
1T2
1W2
1T3
X4
Mains
DC link
(DC output)
Autotransformer /
regen. system
 
 
Figure 3.1     Mains connection size C 
PE
D
L-
C
L+
U1
L1
V1
L2
W1
L3
1U2
1T1
1W2
1T3
1V2
1T2
PE
A23
X19
DC link
(DC output)
Autotransformer /
regen. system
Mains
Mains fan
 
 
Figure 3.2     Mains connection size E 
 
 
 
1U2/1T1 1V2/1T2 1W2/1T3
C/L+ D/L-
PE2
V1/L2U1/L1 W1/L3
PE1
X9
X19
Mains
Autotransformer / regen. system
Mains fan
DC link
(DC output)
1)
1)
 
 
Figure 3.3  Mains connection size H 
1U2/1T1 1V2/1T2 1W2/1T3
PE1
V1/L2 W1/L3
C/L+ D/L-
U1/L1
PE2
X9
X19
Mains
Mains fan
DC link
(DC output)
1)
1)
Autotransformer / regen. system
 
Figure 3.4  Mains connection size K 
 
 
 
1)  Due to the press-in nuts, cable lugs or DC rails can only be connected to the terminal rails from the front. 
 
AoteWell Automation Sales Team
Buy Siemens PLC HMI Drives at AoteWell.com