Electro Fusion Welder This welder is used to weld PE electric hot melt wrapper under the electricity which makes the embessed fusion net of wrapper heat until it melt. The wrapper and Pe jacket would weld together when temperature is low. This welder has the functions of voltage adjust, curent ajust, and has time showing controlor. Technical Details : Voltage: 160-450V Power: 12KW Frequency:50-60HZ Current: 0-90A When application at the worksite, just adjust Current is ok. For 24" pipe,600mm joint width, 6mm thickness: 10-12A is ok, need 8-10minutes for each joint! Features & Benefits: High effeciancy. Size is small; Weight is light(4kg/set), so easy to move.Long-life usage. Have Fixed the two fans to enfast the heat away quickly.High welding quality. Temperature and electric current is self-controlled, and intergreted circuit.Enjoy highly reliable safety. Double-circuit warning model between current and voltage.