... know how to make production cost low and high efficiency. 10 yearsOEM make us know how to make products quality high ... device, which is composed of two sets single-phase wholly insulated voltage transformers, forming three-phase V/V wiring, and two current transformers ... (kA)Rated dynamic stable current (kA)0. 2S0.20. 5S5, 10, 15, 20, 25, 30, 40, 50, 75, 100, 150, 200 ...