Machine is adjustable for the hot 3.start and arc force. *Machine is with high duty cycle, it is equipped with arc current and current thrust adjustment function.
1.Machine is with the most advanced soft switch inverter technology.
2.The main electronic elements of machine are import IGBT and microcrystalline magnetic core.
3.Machine is adjustable for the hot 3.start and arc force. *Machine is with high duty cycle, it is equipped with arc current and current thrust adjustment function.
4.With the automatic compensation function of voltage fluctuiation ,arc steady,less splash,and weld forming beautiful .
5.the circuit board adopts the imported insulating grease QC glue ,vacuum sealing and filling to prevent dust.
6.Cooling fan is with isolated structure to prevent rainwater froming entering.
Model
MMA-400 (Industrial)
Voltage range（V）
Three phase 380±15％ 50/60Hz
Rated input power (KVA)
18
Rated input current(A)
32
No load voltage(V)
85
Working current range(A)
20-400
Welding rod (mm)
2.0-5.0
Rated duty cycle(%)
40
weight（kg)
13
Size (mm)
415*225*385
1. Dual module IGBT full bridge inverter technology, double closed loop current mode control (UC3846).
2. Main transformer transformer adopts super microcrystalline iron core with inverter frequency as high as 20KH
3. Passive power factor correction technology, high power factor. Input voltage range 320v-450v
4. With overcurrent and overheating protection function, all digital current display.
5. Adaptive and thrust current mode, the output cable can be extended to 150m
6. The arc starting current is continuously adjustable, which obviously improves the arc starting performance.
7. If the machine is equipped with contact argon arc welding gun, it can be used for contact argon arc welding.
