... voltage regulator: 1.IGBT/SPWM technology, 2.Well protection function, 3.18 months warranty, 4. CE, ISO. 300KVA Automatic voltage regulator:1. 300KVA Automatic voltage regulator ... ,2. Automatic voltage regulator,3. Output voltage: 380v+-1%,4. CE, ... 1160mm×1910mm×1880mmInside pciture: 300kVA Automatic voltage regulator