Inverter Gas Shield Arc Welding Machine

🔧 Technical Specifications – NB-250LT

• Input Power: 3-phase 380V ± 15%, 50 / 60 Hz

• Rated Input Capacity: 10.5 KVA

• Rated Input Current: 16 A

• Rated Output Current: 250 A

• Rated Input Voltage: 26.5 V

• Rated Open Circuit Voltage: 66 V

• Rated Duty Cycle: 35% (at 40 °C)

• Efficiency: 85%

• Power Factor: 0.74

• Output Voltage Adjust Range: 15 – 32 V

• Wire Feeding Speed Adjust Range: 1.5 – 28 m/min

• Suited Wire Diameter: Ø0.8 – Ø1.0 mm

• Cooling Mode: Air Cooling

• Insulation Grade: F

• Ingress Protection: IP21S

• Dimensions (L × W × H): 640 × 300 × 645 mm

• Net Weight: 38 kg

⚙️ Main Features

• Fast arc striking, low welding spatter, rapid wire feeding response, and excellent spot-welding performance.

• Adopts SMT circuit and soft-switch technology for high reliability.

• Unique arc voltage/current feedback control circuit ensures very stable welding performance.

• Equipped with ball-eliminating function; wire feeding speed adjustable up to 28 m/min.

• Adjustable arc characteristics from “soft” to “hard” for different welding preferences.

• NB-250/315LT models feature a built-in wire feeder inside the machine with wheels and optional gas cylinder frame for easy operation.

• Automatic over-heating protection function for enhanced safety and durability.