... ,Power Protector,Power,Power Regulator,Power Stabilizer,Power Inverter,Home Inverter,Automatic Voltage SwitcherFeatures: 1) AVS13A: 13A with 1 minute ... surge capability. Thus, the AVS13RL provides protection against over-voltage, under-voltage, power-back surges, spikes, and lighting3) AVS30A: 30A ... supply returning and remaining within the window Automatic Voltage Switch(AVS)//Voltage Protector