3 Product Overview
SMA Solar Technology America LLC
User Manual STP50-US-40-BA-en-10 13
3 Product Overview
3.1 Product Description
Figure 1: Design of the SunnyTripower
Position Designation
A Cover
B AC Connection Unit
C DC Connection Unit
D LEDs
The LEDs indicate the operating state of the inverter.
E Cable glands for data cables
F DC load-break switch
G DC connector
H Equipment grounding bar for the equipment grounding conductor of the
PV array
I Fan bracket with three fans
J Type label
The type label clearly identifies the product. The type label must remain
permanently attached to the product. You will find the following informa-
tion on the type label:
• Device type (Model)
• Serial number (Serial No. or S/N)
• Date of manufacture
• Device-specific characteristics