ZX7-400MB Inverter DC Arc Welder
The Huayuan ZX7-400MB Inverter DC Arc Welder delivers heavy-duty 400A manual metal arc performance in an 18 kg portable package. Designed for rigorous shipyard, steel structure, and industrial fabrication sites.
Equipped with intelligent Smart Fan technology, the cooling fan runs only on thermal demand, significantly reducing airborne dust and metallic particles inside the machine. With a high power factor of 0.94 and 88.6% efficiency, the ZX7-400MB features independent rotary dials for Hot Start (0-120A) and Arc Force (0-150A), ensuring seamless strike rates and non-stick welding with electrodes up to 6mm.
Equipped with intelligent Smart Fan technology, the cooling fan runs only on thermal demand, significantly reducing airborne dust and metallic particles inside the machine. With a high power factor of 0.94 and 88.6% efficiency, the ZX7-400MB features independent rotary dials for Hot Start (0-120A) and Arc Force (0-150A), ensuring seamless strike rates and non-stick welding with electrodes up to 6mm.
Technical Specifications
Huayuan ZX7-400MB Inverter DC Arc Welder:
- Input Power: 3~380V±15% 50/60Hz
- Rated Input Capacity: 17.4 kVA
- Rated Input Current: 25 A
- Open Circuit Voltage (OCV): 80 V
- Output Current Range: 20 ~ 400 A
- Arc Force (Dig) Range: 0 ~ 150 A
- Hot Start Range: 0 ~ 120 A
- Rated Duty Cycle: 35% at 40°C
- Efficiency & Power Factor: 88.6%, PF 0.94
- Suited Electrode Diameter: ≤ ø6.0 mm
- Cooling & Protection: Smart Fan Air Cooling, IP23S, Class F
- Dimensions & Weight: 425 × 215 × 445 mm, 18 kg
Key Features & Capabilities
- Smart Fan system reduces noise, idle power consumption, and airborne dust ingress
- Independent Hot Start and Arc Force controls for flawless arc ignition and spatter control
- High electrical efficiency (88.6%) and superior 0.94 power factor minimize energy costs
- IP23S outdoor protection rating certified for demanding shipyard conditions
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