... for rugged application. Air Conditioner Protection,Voltage Protection(FreoGuard),Automatic Voltage Switch,AVS,Voltage Protector,Power Protector,SollatekDescriptionVoltage ... accompanied by high voltage surges and transients. The FreoGuard protect equipment by disconnecting the mains supply when it ... start up delay to maximize operation time.The FreoGuard has a built-in microprocessor which adds the ...