Detailed Selling Lead Description Product Name: Automatic Voltage Switches Model Number: AVS5A, AVS13A, AVS15A, AVS30A Place of Origin: China Features: 1) AVS13A: 13A with 1 minute standard delay 2) AVS15A: 15A with 3 minutes standard delay These will switch off the equipment connected to it if the main power goes outside preset acceptable limits and will re-connect automatically when the main power returns to normal. Re-connection takes place after a delay to ensure stability. If the delay period must be adjusted then contact your dealer. In addition to the above protection, the AVS 13RL includes RFI (radio frequency Interference) suppression and extra spike and surge capability. Thus, the AVS13RL provides protection against over-voltage, under-voltage, power-back surges, spikes, and lighting. 3) AVS30A: 30A This product will disconnect if the main power goes outside preset limits (the window) and will re-connect automatically after about 3 minutes of the supply returning and remaining within the window.