... 500 Products' CharacteristicStable arc: square pulsed is controlled by AC dydamic reactor,clear width can be adjusted continuously. Good ... plused TIG welding, DC TIG/MMA welding, square pulsed AC TIG welding, spot TIG weldingProducts' ApplicationWelding for aluminium, ... max input current (A)123AMax input effective current (A)73AUnload voltage (V)DC92Summit current (A)DC 10-500 AC 20-500Post flow ...