EACO ZX7-400D Digital Inverter Arc Welder
The EACO ZX7-400D Digital Inverter Arc Welder is engineered for industrial fabrication, shipyard maintenance, and structural steel erection. Built with full-bridge IGBT module inverter technology, it provides fast dynamic response, constant current output, and an exceptionally stable welding arc.
Featuring auto-sensing input power compatibility with 220V/380V single-phase supplies, the ZX7-400D includes adjustable Arc Force to accommodate various electrode chemistries, built-in Hot Arc Start to ensure immediate cold ignition, anti-stick protection, and a low open-circuit Voltage Reduction Device (VRD) for enhanced operator safety in confined or damp maritime environments.
Featuring auto-sensing input power compatibility with 220V/380V single-phase supplies, the ZX7-400D includes adjustable Arc Force to accommodate various electrode chemistries, built-in Hot Arc Start to ensure immediate cold ignition, anti-stick protection, and a low open-circuit Voltage Reduction Device (VRD) for enhanced operator safety in confined or damp maritime environments.
Technical Specifications
EACO ZX7-400D Digital Inverter Arc Welder:
- Input Voltage: 3-Phase AC 380V ±15%, 50/60 Hz
- Rated Input Current: 23 A
- Rated Input Power: 15.1 kVA
- Rated Duty Cycle: 35% at 40°C
- No-load Voltage: U0 = 64 V / Ur = 11.7 V (VRD Active)
- Welding Current Range: 30 ~ 300 A
- Arc Force Range: 0 ~ 50 A
- Arc Start Current: 0 ~ 100 A (Time: 0.1 ~ 3.0 s)
- Insulation & Protection: Class F, IP21S
- Cooling Method: Forced Air Cooling
- Dimensions & Weight: 440 × 190 × 360 mm, 9.8 kg
Key Features & Capabilities
- Full-bridge IGBT inverter technology for constant current and fast dynamic response
- Built-in Arc Force adjustment tailored for acidic, basic, cellulose, and stainless steel electrodes
- Integrated Hot Start improves striking rate on cold workpieces
- Low-voltage VRD system reduces open-circuit shock risk in damp ship compartments
- Equipped with comprehensive thermal overload and abnormal voltage protection
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