... Specifications Input voltageThree-phases,four-line,phase voltage:170-270V,line phase:304-450V Output voltageThree phases: ... resistanceAbove 5MΩOverloadDouble rated current ,one minWaveform distortionNon-lack fidelity waveformProtectOvervoltage ,overcurrent,feed phasesGeneralThis series large power ... of the SVC series single-phase products,the input phase system is three-phase and four-wire system, ...