... ) no MOQ2) Advantage:no contact voltage regulator3) CE & SGS & ISO 90014) OEM 1) Non-contact voltage regulator2) CPU intelligent control ... -friendly man-machine interfae4) Three-phase regulation,no contact,no abrasion,no spark and maintenance free5) Efficiency ... circuitsstable and reliable, fast response speedno carbon brush, no contact, no mechanical, no spark, three-phase distributionResponse time 0 ...