ZX7-400 DC inverter MMA welder is applicable to the welding of welding rods of different kinds, such as acid ones, alkaline ones, those made from stainless steel and those welded under low oxygen environment. It is widely used in petrol chemistry industry, power construction, building work, shipbuilding, steel structure and general machinery manufacturing industry.
|Rated input voltage||Three phase 380V±15% 50/60Hz(AC)|
|Rated input capacity||18.4KVA|
|Rated input current||28A|
|Rated load duty cycle||60%|
|Arc ignition current||0-100A|
|Arc force current||0-200A|
|Insulation level of the main transformer||F|
|Insulation level of the output reactor||F|
1. This kind of welder is high temperature tolerant. It can remain stable operation under high temperature even that of 40 degrees centigrade.
2. This kind of welder gathers multiple power sources together on one device. The power source can not only be used alone, but also be divided into different groups in operation.
3. The fluctuation range of the input voltage can be as large as 20%.
4. This kind of welder can perform stable welding even when the cable is extended 100 meters.
5. This kind of welder is equipped with multiple protection against lightning strike, overcurrent and temperature abnormality.