... arc striking performance, reliable and durable, easy for maintenance; 3. Thermostatic protection, over-voltage protection, over-current protection, ... , etc.Parameters of inverter DC TIG welding machinery WS-315: ModelSpec.WS-315Power supply voltageAC 380±10% V / 50 ... current range20-315 ACosφ (η)0.95Protection classIP 21SInsulation gradeBWeight30.3 kgDimensions (mm)350*560*620 * BUY WITH CONFIDENCE.* ...