10
11
Figure 3-1 Applicable grid types
Electric shock hazard, live parts, risk of electric shock, do not touch.
2.4.3 Symbol on the Packing box
Handle with care.
This side up.
Keep dry.
Stacked layers.
3 Product Description
3 Product Description
※ 3.1 Basic Features
3.1.1 Function
The Sunways STT 4-25kW series inverter is a three-phase grid-connected PV inverter which used to
efficiently convert the DC power generated by the PV string Into AC power and feed it into the grid.
3.1.2 Models
The STT 4-25kW series inverter includes 20 models which are listed below:
STT-4KTL, STT-5KTL, STT-6KTL, STT-8KTL, STT-10KTL, STT-12KTL, STT-15KTL, STT-17KTL, STT-20KTL, STT-25KTL
STT-4KTL-P, STT-5KTL-P, STT-6KTL-P, STT-8KTL-P, STT-10KTL-P, STT-12KTL-P, STT-15KTL-P, STT-17KTL-P,
STT-20KTL-P, STT-25KTL-P
3.1.3 Applicable grid type
The applicable grid types for the Sunways STT 4-25kW series are TN-S, TN-C, TN-C-S, IT and TT. When
applied to the TT grid, the voltage of N to PE should be less than 30V.For more details please see Figure3-1:
2 Safety Instructions
Sunways
STT Series
TN-S
Transformer
Sunways
STT Series
TN-C
Transformer
Sunways
STT Series
TN-C-S
Transformer
Sunways
STT Series
TT
Transformer
Sunways
STT Series
IT
Transformer
