DC Cable Sizing Alert — Use appropriate cable dimensions

Was bedeutet DC Cable Sizing ?

The DC cables and plug connectors used in the system must meet specific size and temperature requirements to ensure safe and efficient operation.

• Using undersized DC cables.
• Using plug connectors not rated for the operating temperature.
• Cables not meeting minimum size requirements (e.g., 4 mm²).

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1. 1

   Use recommended cable size of 4 – 6 mm² for plug connectors.

2. 2

   Ensure cables have an operating temperature range of -40 to +120°C.

3. 3

   Verify that module DC extension leads use cable of minimum 4 mm².

4. 4

   Check that wiring from roof isolator to inverter isolator is minimum 4 mm².

5. 5

   Ensure all wiring is double insulated Solar DC type cable.