... to avoid damage of controller, when under high voltage.Wind Generator SZ3K-20KW Controller TECHNOLOGY SPECS ITEMMODESZ3KW-CTSZ5KW-CTSZ10KW-CTSZ20KW- ... notpage 2 Output DC voltage, output DC current, generator RPM, generator temperature, wind speed, electric supply available or not, operational mode, ... *200840*600*200 Dump loader weight(kg) 24283333 Wind Generator SZ3K-20KW Controller TECHNOLOGY SPECS