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The 20A fuse is designed for modern, high-efficiency solar panels that produce higher current outputs.
Application: Ideal for high-wattage monocrystalline panels (such as 400W–550W modules) where the string current often approaches 13A–15A.
Protection: Provides a necessary safety margin to allow for normal current fluctuations due to peak sunlight while still protecting against electrical faults.
PV Fuse: 30A
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