去他的基地类型的引信系(NEZD的，DIZD引信联系)

Fuse link protection against overload and short-circuit in electric lines(type gG),also available for protection of semiconductor parts and equipments against short-circuit(type aR) and protection of motors(type aM). Rated voltage up to 1140V;Rated current up to 630A;Working frequency AC 50HZ;Rated breaking capacity up to 50KA.Compliant with GB13539 and IEC60269. Variable cross-section fuse element made from pure metal sealed in cartridge made from high-duty ceramic.Fuse tube filled with chemically treated high-purity quartz sand as arc-extinguishing medium.Indicator springs out when fuse cuts to give caution.