The excellent performance 1.IGBT based, high frequencyrectifier and inverter design to achive up to 93% - 94% efficiency ( Mains mode and Battery mode) , and low inout current THD( < 3% ) . 2....
Established in 2000, Shenzhen, China. Helior Technology Co., Ltd is a professional and high-tech enterprise specialized in designing and manufacturing UPS. We own more than ten patents of UPS....
Sigma' s outstanding features: 4-6KVA 1. Pure sine wave output 2. ECO mode to save energy 3. Rotatable LCD display design 4. Tower / Rock multi-configuration for flexible installation ....