OTC 350A inverter-based weld power source is the standard welding supply for high quality welding in any situation. This Welbee M350 multipurpose unit is well suited for general welding application requiring significant improvement in arc stability in the range of low to high electric currents, while delivering 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% |
