JCB3-80DC jara Circuit breakers o dara fun DC 50Hz tabi 60Hz, won won foliteji DC250V (1P), DC500V (2P), DC750V (3P), DC1000V (4P), won won lọwọlọwọ 1A-63A, kikan agbara 6KA.O jẹ lilo ni akọkọ fun apọju ati aabo Circuit kukuru ti agbara oorun, eto iran agbara kekere, apoti ọkọ akero ati awọn ibaraẹnisọrọ miiran, awọn eto fọtovoltaic, awọn eto DC miiran, awọn ohun elo ati ohun elo itanna ti gbigbe ati eto pinpin.O tun le ṣee lo fun iyipada Circuit loorekoore labẹ awọn ipo deede.