SolaX Power DDSU666-CT - Page 16

Cable Connection
9
DTSU666-CT
DTSU666-CT supports 3-phase 4-wire (3P4W) and 3-phase 3-wire (3P3W). For 3P3W,
N wire does not need to be connected, and CT is not required for phase B. The overall
system wiring diagrams use 3P4W wiring method for example.
L2 wire
N wire
L1 wire
L3 wire
S2 wire
S1 wire
RS485A wire
RS485B wire
PE wire
2
5 8
10 1
3
4
6
7
9
*
*
*
L1
L2
L3
N
Figure 3-6 3P4W wiring mode
2
5 8
10 1
3
4
6
7
9
*
*
L1
L2
L3
N
Figure 3-7 3P3W wiring mode
Note: * represents the incoming side of current.