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Created on 05.14
ZX7-400 Dual-Module Inverter DC MMA Welding Machine
1. Product Overview
The ZX7-400 is a professional dual-module inverter DC MMA welding machine tailored for industrial heavy-duty welding work. Equipped with high-performance industrial IGBT modules, the welder achieves stable inversion output and excellent welding performance. Featuring high open-circuit voltage, the machine realizes quick and smooth arc striking with low failure rate. Matched with an all-round high-speed cooling fan, it effectively solves heat accumulation during long-time welding. Compact structure, moderate weight and portable design make it easy to carry and deploy in different construction sites. Built with thickened metal casing, this welding machine owns outstanding durability to adapt to various harsh and complex working conditions.
2. Core Performance & Functional Characteristics
This industrial MMA welder integrates mature inverter technology and humanized functional design, focusing on stability, safety and practicability. The detailed technical characteristics are as follows:
- Industrial IGBT Module
Adopts high-quality industrial IGBT dual-module, ensuring stable current output, strong power and durable service life. High open-circuit voltage greatly optimizes arc striking performance to avoid difficult ignition.
- Efficient Heat Dissipation System
Built-in full-speed high-power fan conducts all-round air cooling, which rapidly dissipates internal heat, reduces temperature rise during continuous welding and avoids equipment burnout caused by overheating.
- Dual Independent Regulation
Welding current and arc force current can be adjusted separately. Welders can flexibly set parameters according to welding materials, electrode types and process requirements to obtain ideal welding effect.
- Comprehensive Safety Protection
Equipped with complete protection mechanisms including over-current, over-heat, over-voltage, under-voltage and VRD protection. It can automatically cut off power for protection in case of abnormal working conditions to ensure equipment and operator safety.
- Reinforced Durable Structure
The thickened metal casing enhances impact resistance and compression resistance, adapting to dusty, humid and other harsh industrial working environments, greatly extending the service life of the equipment.
3. Complete Technical Parameters
The ZX7-400 welding machine has standardized and reasonable parameter configuration, meeting the requirements of medium and heavy industrial welding. The detailed parameter list is shown below:
Parameter Item | Technical Data |
Input Power Voltage | 380V |
Input Rated Current | 10.5KVA |
No-Load Voltage | 70V-80V |
Output No-Load Voltage | 22V-32V |
Output Current Range | 40A-320A |
Insulation Grade | F |
IP Rating | IP21S |
Rated Duty Cycle | 60% |
Weight | 17.3KG |
Dimensions | 500*251*460mm |
Applicable Electrode Size | Φ2.5 – Φ5.0 |
4. Additional Functional Advantages
Besides the core welding performance, this welder is equipped with multiple practical functions to improve user experience:
- Portable Design
Reasonable weight and compact size for easy transportation and field operation.
- Air-Cooled Mode
Reliable air cooling structure, no need for complex water cooling auxiliary equipment.
- 3 Phase Power Supply
380V three-phase industrial power supply, stable input and strong load capacity.
- DC Output
Direct current output ensures smooth welding seam and less spatter.
- Temperature Control
Intelligent temperature monitoring system to prevent overheating damage.
5. Installation Specification & Usage Precautions
To ensure stable operation and personal safety, users must follow the standard wiring and usage requirements:
5.1 Wiring Configuration Standard
- Input Power Cable: 6mm²
- Output Cable Specification: 35mm²
- Power Distribution Switch: 60A
5.2 Working Environment & Notice
- Ambient Temperature Range: -10℃ ~ +40℃
- Basic Rule: Must connect the ground wire and power cable correctly before starting the welding machine.
- Avoid long-term overload operation beyond the rated duty cycle; regularly clean the internal dust to guarantee heat dissipation efficiency.
6. Application Scenarios
The ZX7-400 dual-module inverter welding machine is widely applicable for metal welding work in industrial manufacturing, steel structure processing, engineering construction, equipment maintenance, and other fields. It is compatible with various common carbon steel and alloy steel electrodes from Φ2.5mm to Φ5.0mm. With stable performance, strong adaptability, and a high safety factor, it is cost-effective industrial-grade MMA welding equipment for factory production and outdoor engineering operations.
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