Lawa ma-circuit breaker asetshenziselwa ukuvikela nokulawula i-overcurrent systems kuma-solar photovoltaic battery storage systems kanye nama-DC circuit, atholakala kuma-current ahlukahlukene alinganisiwe anjengalawa. Ama-DC circuit breaker amukela imisebenzi yokuhlinzeka eyenziwe ngokwezifiso yokuphazamiseka kwe-circuit, ukuvikelwa kwe-short circuit, ukulungiswa, kanye nokuvikelwa, okwandisa ngempumelelo isikhathi semishini kagesi. Avikela imishini kagesi ekulimaleni okubangelwa ukugcwala ngokweqile, ama-short circuit, noma amanye amaphutha kagesi.
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