1,voltage surge protector AVS7A 2,230V surge protector 3,30 Seconds wait time 4,CE ROHS Certification New 7A Automatic Voltage Switcher AVS7Avolt guard, voltage surge protector, voltage switcher, automatic voltage switcher, automatic voltage protectorIntroduction:Protects against low voltage,Brown-outs and voltage dips.Thses conditions are harmful to fridges,freezers,pumps and all motor ...