4 mounting the inverter with a top hat rail, Mounting the inverter with a top hat rail – SMA SB 3000TL-20 Installation User Manual
Page 21

SMA Solar Technology AG
Mounting
Installation Guide
SB30TL_40TL_50TL-IA-IEN120231
21
4.4 Mounting the inverter with a top hat rail
Requirements for installing the top hat rail
• Use a TH-35-7.5 supporting rail compliant with DIN EN 60715.
• Use stainless steel top hat rail and screws to prevent contact corrosion.
• Install on level ground only.
• Use fastening material suitable for the surface. Please observe the weight of the inverter.
Procedure
1. Use the top hat rail as a drilling template and mark the positions of the drill holes.
2. Attach the top-hat rail using appropriate screws
(diameter min. 6 mm) and washers (outer diameter
min. 18 mm).
Secure one screw at least every 300 mm.
3. Transport the inverter using the grip recesses on the
sides.
4. Suspend the inverter on the top hat rail using the
opening on its rear wall.