... can easily adjust the startup characteristics of motor. With overload, phase, peak overcurrent, undervoltage , short circuit fault ... combined with electricity, electronics and automatic controltechnology, in the starting process, the use of phase control ... power(kw)rated voltage(uev)rated current(lea)rated phase current(la)SEC4-100113802816SEC4- 200153803319SEC4- 300223804325SEC4- 400303806035SEC4- ...