Single Phase Transformerless Stabilizer is designed for providing different high-stable power supply of 220V/ 50Hz and the power consumption is up to 1500 VA. The Stabilizer has weight of 4.5 kg and dimension of 92 X 270 X 245 mm. The Stabilizer has forced cooling fan and has efficiency factor at 160 V and is offered in single phase manner. The Stabilizer has output voltage stabilization accuracy of 1.5%, input voltage range at preserved operability from 90 to 380 V and mains frequency of 50/ 60 Hz. The Stabilizer has adjustable output voltage from 200 to 240 V. The Single Phase Transformerless Stabilizer has operation voltage range from 90 to 300 V.