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What are the specifications of the NB-500 CO2 MIG Welding Machine?

The NB-500 CO2 MIG Welding Machine is engineered for heavy-duty industrial use. Its key specifications are:

  • Control: Full digital DSP chip control
  • Input voltage: 3-phase 380V±20% (300~560V)
  • Input frequency: 50~60Hz
  • Input capacity: 24KVA
  • Power factor: 0.93
  • Efficiency: 90%
  • Rated no-load voltage: 75V
  • Current range: 30~500A
  • Voltage range: 12~45V
  • Rated duty cycle: 60% @ 500A @ 40°C; 100% @ 500A @ 25°C
  • Weldable materials: Carbon steel / stainless steel
  • Welding methods: Solid wire / flux-cored wire / stick electrode
  • Wire diameter: Ø0.8-Ø1.6
  • Welding sequence: No crater / with crater / repeated crater / spot welding
  • Arc characteristics: -10 to +10
  • Cooling: Forced air cooling
  • Wire feed speed: 1.4~21m/min
  • Insulation class: H
  • Protection class: IP23S
  • Operating environment: -10°C to +50°C

For detailed application guidance or to request a quote, visit the product page. Contact us on WhatsApp for a same-day FOB quote.

Machines in these answers

NB-500

CO2 MIG Welding Machine

Digital DSP-controlled CO2 MIG welding machine with 500 A output for heavy fabrication welding.

Control method Full digital DSP control
Input voltage 3-phase 380V ±20% (300–560V)
Input frequency 50 ~ 60HZ
Input capacity 24KVA
Power factor 0.93