WB-M350 GMAW Inverter Power Supply

WB-M350

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The Welbee M350 is the standard welding supply for high quality welding in any situation. It provides significant improvement in arc stability in the range of low to high electric currents, and delivers a beautiful weld bead with a uniform bead end and less voltage fluctuation, even during high-speed welding.

WB-M350 Key Features & Benefits

• Optimum welding current control depending on intended use(Standard Mode - High Speed Mode - Extension Cable Mode)

• Incredible arc stability from low to high current range

• Uniform and beautiful bead appearance with low spatter

• Digital Turbo Start and End Pulse function provide excellent arc starts


Specification Value
Number of phases 3/1
Rated frequency 50/60Hz
Rated input voltage 208/230V, 460V
Input voltage range 208/230V ±10%, 460V ±10%
Rated input power 15.3kVA 13.1kW/ 14.9kVA 13.0kW 15.0kVA 13.3kW, 11.3kVA 8.4kW/ 11.2kVA 8.3kW 10.9kVA 8.1kW
Rated input current 42.5/37.4A 18.8A, 54.2/48.8A 23.7A
Rated output current 350A/250A
Rated load voltage 31.5V/26.5V
Rated output current range 30 - 350A/30 - 250A
Rated output voltage range 12.0 - 31.5V/12.0 - 26.5V
Maximum no-load voltage 71/78V 70V
Rated duty cycle 60%
Number of welding conditions 100
Operating temperature range 14º F to 104º F (-10 to +40º C)
Operating humidity range less than 50%, 104º F (40º C), less than 90%, 68º F (20º C)
Storage temperature range -13º F to +131º F (-25 to +55º C)
Storage humidity range less than 50%, 104º F (40º C), less than 90%, 68º F (20º C)
Dimensions (W x D x H) 15.6 x 28.0 x 31.9 in. (395 x 710 x 810mm)
Mass 183 lbs (83kg)
Rated input power for DC TIG scratch start 12.5kVA 10.0kW 11.9kVA 10.0kW 12.3kVA 10.5kW, 8.6kVA 6.4kW 8.6kVA 6.3kW 8.9kVA 6.4kW
Rated output current for DC TIG scratch start 350A/250A
Rated load voltage for DC TIG scratch start 26.0V
Rated output current range for DC TIG scratch start 10 - 400A/10 - 250A
Rated duty cycle for DC TIG scratch start 60%
Rated input power for DC STICK scratch start 13.6kVA 11.2kW 13.1kVA 11.1kW 13.3kVA 11.6kW, 12.2kVA 9.2kW 12.1kVA 9.1kW 12.2kVA 9.1kW
Rated output current for DC STICK scratch start 300A/250A
Rated load voltage for DC STICK scratch start 32.0V/30.0V
Rated output current range for DC STICK scratch start 20 - 350A/20 - 250A
Rated duty cycle for DC STICK scratch start 60%