Rated Voltage: 400/230V, 380/220V, 415/240V, 220/127V Rated Current: from 20A to 3000A Model: 20kw China Silent Water Powered Generator Sale Warranty: 1 year or 1000 hours Color: According to customer's request Certification: CE, ISO9001:2000, ISO14001, ISO18000 Function: AMF ATS Noise Level: 70DBA http://www.nanhe-power.com