... for Selection. Automatic Voltage Switch,AVS,Voltage Protector,Power Protector,Sollatek Fridge Guard/Spike Protection//Surge Protection,Multi Guard Model Number: AVS5A, AVS13A, AVS15A ... ) suppression and extra spike and surge capability. Thus, the AVS13RL provides protection against over-voltage, under-voltage, power-back surges, spikes, and lighting ...