Lenze EMB934 Series - Page 118

Electrical installation
Regenerative power supply module EMB9343
Power connections
5

118
EDBMB9340 DE/EN/FR 12.0
F10
...
F12
PE
U
VW
PE
U
VW
L1
L1
L1A L1B
L1 L1L2
L2
L2 L2
L3
L3 PE
X4
X10
L3 L3
39
28
Ax
59 39
28
Ax
59
M
3~
PE
M
3~
PE
E1
39
A1 A2
59
L3
N
PE
L1
L2
F1...F3
9343
Z2.1 Z2.n
PE PE PE
+UG +UG +UG-UG -UG -UG
Z1
K1
F4
F6 F8F5
F7 F9
L3’
L2’ L1’
L3.2
L2.2L1.2
9340vrm006a
Fig. 5−8 Central supply for DC bus connection of several drives and external mains synchronisation
Z1
Mains filter A
Z2.1 ... Z2.n Controllers in the drive system
F1...F3 Mains fuse
K1 Main contactor
F4...F9 DC−bus fuses
F10 ... F12 Fuse − mains synchronisation