VRD or voltage reduction device reduces no-load voltage when the unit does not perform welding which minimize electrical shock hazard.
| MODEL | MMA-160XI | MMA-180XI | MMA-250XI | CUT-40XI |
| Power Voltage (v) | 220 | 220 | 220 | AC220±10% |
| Frequency (Hz) | 60 | 60 | 60 | 60 |
| Rated Input Voltage (v) | 31 | 36 | 55 | 22.1 |
| No-Load Voltage (v) | 56 | 56 | 62 | 230 |
| Output Current (A) | 20-160 | 20-180 | 20-250 | 20-40 |
| Rated Output Voltage (v) | 26.4 | 26.4 | 30 | 104 |
| Duty Cycle (%) | 80 | 80 | 80 | 60 |
| No-Load Loss (W) | 40 | 40 | 60 | 40 |
| Arc-initiating | - | - | - | - |
| Efficiency | 85 | 85 | 85 | 85 |
| Power Factor | 0.73 | 0.73 | 0.73 | 0.93 |
| Insulation Grade | F | F | F | B |
| Housing Protection Grade | IP21 | IP21 | IP21 | IP21 |
| Air Pressure (kg) | - | - | - | 4.5 |
| Weight (kg) | 6.3 | 6.3 | 7.5 | 9 |
| Dimensions (mm) | 325x120x190 | 325X120X190 | 385X140X210 | 371X155X275 |