4
15
Main Circuit Terminal Function Description
R, S, T
(L, N)
Three-phase (single-phase) power supply input terminal. For
SVB/4M, any two terminals (R,S,T) can be used to connect single
phase supply
Terminal Screen
Printing Name
Function Description
(+), (-)
Positive and negative terminal of the solar array
U, V, W
Three-phase AC output terminal, connected to pump motor
U, V, W
U and V terminals used for single phase AC output. Terminals
connected to single phase pump motor with capacitor (s).
Safety protection earth terminal (PE), please ensure reliable
grounding
P1, PB
Spare terminal, please do
NOT
connect them
Cable Sizing
Model
2
DC Cable (mm )
2
AC Cable (mm )
SVB/7.5T
Contact D&S dealer for sizing cables for larger sizes of SVB models
SVB/4M
SVB/5.5T
SVB/4T
SVB/1.5M
SVB/2.2M
(+)/(-)
L/N R/S/T, U/V/W
2
Earth Cable (mm )
PE
Signal Cable
2
(mm )
4
6
4
2.5
2.5
4
-
2.5
4
4
6
4
2.5
2.5
4
1.5
2.5
2.5
2.5
2.5
1.5
1.5
-
NOTE
The recommended cable should be used under the
conditions of ambient temperature (≤ 40
℃
), cable length (≤
100 m) and working current (≤ rated current).
SVB/75T-SVB/110T