Replacing String Fuses - SMA SUNNY BOY 3000-US Installation Manual

11 Cleaning and Care

11.8 Replacing String Fuses

Danger to life due to high voltages in the PV plant
Death or serious injury due to electric shock.
• Only replace string fuses in the inverter with fuse extractors.
Danger of fire due to incorrectly rated fuses
Risk of injury due to fire.
• Only replace faulty string fuses with string fuses of the same type and size.
Figure 29: Position of the string fuses
Position
A
88 SB30-40-US-IA-en-33
Designation
Fuse holder
Explanation
For connecting 4 fuse extractors with
string fuses
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