SMA ST6-US - Manual (Page 30)

Electrical connection SMA America, LLC
30 ST36-48US-IA-IUS112321 Installation Guide
7.4 Connecting the DC Input
1. Open the fuse switch of each individual safety device.
2. Connect the PV array wiring to the string fuse holders as shown below.
DANGER
Voltage is present in PV-modules exposed to light.
Risk of electric shock when touching the DC cable attached to a PV-module.
Death and burn injuries will result.
• Cover the PV-modules with opaque material.
• Follow all safety precautions of the module manufacturer.
Make sure that your cable has sufficient length.
PV array wiring can enter the tower enclosure from below or through the cable access
cover. If necessary use an appropriate knock out punch to create knockouts for the array
conduits.
PV string conductors should be supported using the cable tie tabs near the inputs of the fuse
holders and terminal blocks.