Fronius Acctiva Smart 25 A Instructions De Service page 55

- Voltage-free and spark-free terminals protect against explosions
- Reverse polarity protection prevents the charger from being damaged or destroyed
- Short-circuit protection provides effective protection for the charger. The fuse does
not need to be replaced in the event of a short circuit
- A charging time monitor provides effective protection against overcharging and dest-
ruction of the battery
- Overtemperature protection through derating (charging current reduced if the tempe-
rature rises above the permitted level)
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