... and short-circuit protection as well as for unfrequent on-and-off switching electric equipment and lighting circuit under nrmal conditionl the ... product is suitable for industry,business,building,ressidence,etc ... ,20,25,32,40,50,63A; 2.Tripping characteristics:B(3-5)In,C(5-10)In,D(10-15)In; 3.No. of ...