MMA 315 Inverter DC Arc MMA Welder
1. 220/380V automatic conversion of this Inverter DC Arc Welder MMA-250/315(III) /400(D)/ 400 (Dual Voltage).
2. Excellent performance of J506 and J507 welding, continuous arc and non stick electrode
3. Single tube IGBT inverter technology, stable arc, small splash, high efficiency and energy saving.
4. Inner ring characteristic control, constant current output, strong resistance to net voltage fluctuation.
5. Digital display meter, practical and intuitive.
6. Overheating protection, preventing overload caused damage to machines.
Model | MMA-250 Dual voltage | MMA-315 Dual voltage | MMA-400(D) Dual voltage | MMA-400 Dual voltage |
voltage range （V） | Single phase 220 single phase 380 ±15% | Single phase 220 three phase 380 ±15% |
frequency （HZ ) | 50/60 |
rated input power (KVA) | 220V | 6.6 | 7 | 8.4 |
380V | 15.2 | 18.2 | 20.5 |
rated input power(A) | 220V | 30 | 32 | 38 |
380V | 40 | 48 | 32 |
no load voltage (V) | 80 | 75 | 73 |
working current range (A) | 220V | 10-150 | 10-190 | 10-200 |
380V | 10-250 | 10-315 | 10-400 |
thrust current adjustment range （A） | / | 10-100 |
welding rod (mm) | 2-3.3 | 2-4 |
rated duty cycle (%) | 40 | 30 | 40 |
weight （kg) | 5.2 | 7.2 | 9 | 9.8 |
size (mm) | 375*155*315 | 400*190*360 | 400*225*350 | 415*225*385 |
Technical advantages
1. The most advanced inverter technology and high quality IGBT single tube, fast dynamic response, reliability and stability.
2. 4.0 80% of the electrode continuous welding, maximum welding 6.0, welding wire can be extended to 80 meters.
3. Three anti-wind duct design, increased load sustained rate.
4. The main transformer iron core using nano-amorphous materials, higher power.
5. VRD anti-shock function, safe and reliable.
6. With overheating, over-current, over-voltage protection.
7. Anti-power fluctuations in the ability of the network 325-420V normal work.
