11 Cleaning and Care SMA America, LLC
88 SB30-40-US-IA-en-33 Installation Manual
11.8 Replacing String Fuses
Figure 29: Position of the 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.
Position Designation Explanation
A Fuse holder For connecting 4 fuse extractors with
string fuses
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