An MMA (Metal Metal Arc Welding, also known as stick welding) 300 DC inverter welding machine is a portable, compact, and lightweight welding machine that uses DC (direct current) to create a stable and controlled arc for welding. These machines use inverter technology to convert AC power into a lower usable output voltage, which results in a more efficient and precise welding process. The "300" refers to the maximum output amperage (typically 300A). They are commonly used for general welding applications and are known for their ease of use and portability.

SPECIFICATION:

6 of voltage can be adjust byself.  
voltage: 220v/380V/440V/60hz  choice method. 
      -220V-1PHASE 190A;
      -220V-3PHASE 220A; 
      -380V 1PHASE 250A,
      -380V 3PHASE 280A ;         
      -440V 3PHASE 280A 
      -440V 1PHASE 250A,