HR17B jerin fuse-nau'indisconnectortare da aiki mai nauyi, wanda ya dace da 40A ~ 1600A mai ƙididdigewa, akwai ƙungiyar 1, ƙungiyoyi 2, ƙungiyoyin 3, ƙungiyoyin maki 4. Ana iya saka shi a kan busbar , kuma za'a iya shigar da shi a cikin tsayayyen farantin; yana ba da tsarin shigarwa na sama da ƙasa da tsarin fitarwa, tare da gabatarwar wuka da na'urar sarrafa baka; kuma murfin theswitch yana da rufaffiyar ramukan ganowa irigular, ginanniyar siginar siginar, sauya ganowa. yana iya zama mai saka idanu na fuse na zaɓi, kuma ana iya amfani dashi azaman sauya wuka. Canjawa tare da kyakkyawan siffar, labari da taƙaitaccen bayani, ya dace da ka'idodin IEC60947-3, GB14048.3.