... ports and residential quarters for the control and protection of cables, overhead lines,transformers,motors,generators and capacitor banks.2. ... 2000,2500,3150,5Rated short-circuit breaking currentkA20,25,31.5,40,5020,25,31.56Rated short time withstand currentkA20, ... satisfaction enterprise/product of Fujian Province" and so on.5.ServiceOver 100 First-class engineers and researchers dedicated in the ...