... : 12kwRated voltage:400/230v, 440/254v, 220/127v, etc.Phase/connecting method: 3 phase 4wire/Y type connectionRated frequency: 50/60hzRated ... : ≤1000 metersAmbient air temperature: ≤40 centigradeRelative air humidity: ≤ 90%Controller system1.Standard control panel, including voltmeter, frequency meter, ampere meter, water ...