... voltage and its function is as similar as stabilizer. Automatic Voltage Switch,AVS,Sollatek,Voltage Protector,Power Protector,Power,Power Regulator, ... spike and surge capability. Thus, the AVS13RL provides protection against over-voltage, under-voltage, power-back surges, spikes, and lighting3) ... of the supply returning and remaining within the window Automatic Voltage Switch(AVS)//Voltage Protector