... reliable,out put current stable 1.Digital adjustable,electricity time,welding current,etc,2.Touching panel,duralbe and reliable,out put ... /50HZ/3PHInput power15KVAFusing current41ANo-load voltage15.6VWelding current(gun)200-4000ASingle side spot welding range0.8+0.8MMCalbe length(gun and ground ... visit our website: www.everet.net to see more details. Welding machine, Spot Welding Machine EE-SP12000