MMA QN 5.0T
Multi-Phase Capability | Heavy-Duty Performance
Auto-sensing 1-phase/2-phase/3-phase operation from 60V to 560V, ideal for regions with unstable power supplies. Advanced IGBT technology with adjustable arc force and intelligent protection systems for reliable operation in demanding industrial environments.
Multi-Phase Capability
Auto-sensing 1-phase/2-phase/3-phase input with 60V~560V range accommodates unstable power conditions, delivering up to 310A output on 3-phase for demanding applications.
Advanced IGBT Technology
Enhanced inverter performance with adjustable arc force control, hot start function, intelligent overload and overheat protection for reliable operation in household and industrial applications.
Heavy-Duty Design
Professional MMA welding for 5.0mm rods in a robust 12kg package with 457×228×373mm dimensions, perfect for light industrial fabrication and maintenance tasks.
| Parameter | Unit | Specification |
|---|---|---|
| Power Supply | ||
| Input Voltage Range (1-Phase) | V | 60V ~ 560V |
| ⚠ Note: 1-Phase input requires special connection | ||
| Input Voltage Range (2-Phase) | V | 60V ~ 560V |
| ⚠ Note: 2-Phase input requires special connection | ||
| Input Voltage Range (3-Phase) | V | 380V ~ 560V |
| Rated Input Power (1-Phase/2-Phase) | kVA | 7.80 |
| Rated Input Power (3-Phase) | kVA | 14.0 |
| Output Characteristics | ||
| Output Current Control | - | Constant Current (CC) |
| Maximum Output Current (1-Phase/2-Phase) | A | 200 |
| Maximum Output Current (3-Phase) | A | 310 |
| No-Load Voltage (220V Input) | V | 75 |
| No-Load Voltage (380V Input) | V | 65 |
| VRD Voltage | V | 24 |
| VRD Function | - | Switchable |
| Performance Specifications | ||
| Rated Duty Cycle @ 40°C (1-Phase/2-Phase) | % | 60% @ 200A |
| Rated Duty Cycle @ 40°C (3-Phase) | % | 60% @ 310A |
| Technology & Features | ||
| Arc Force Control | - | Available |
| Hot Start Function | - | Available |
| Multi-Voltage Capability | - | Auto-Sensing (1-Phase/2-Phase/3-Phase) |
| Standards & Certification | ||
| Ingress Protection | - | IP23S |
| Insulation Class | - | Class H |
| Physical Specifications | ||
| Dimensions (L × W × H) | mm | 457 × 228 × 373 |
| Net Weight | kg | 12.0 |
Product Overview
The MMA QN 5.0T is a robust inverter arc welding machine designed to handle 5.0mm welding rods. Delivers up to 310A maximum output (3-phase) with 60% duty cycle at 40°C. Advanced IGBT technology ensures stable and reliable performance for household and industrial applications.
Multi-Phase Capability (1-Phase/2-Phase/3-Phase)
The MMA QN 5.0T features exceptional multi-phase capability with 60V-560V input range. Supports 1-phase (200A max, requires special connection), 2-phase (200A max, requires special connection), and 3-phase (310A max, 380V-560V). Auto-sensing technology automatically detects input configuration. Wide voltage tolerance ensures reliable operation in challenging electrical environments and unstable power supplies. Generator-compatible design makes it perfect for on-site jobs.
Target Applications
Household welding, light industrial fabrication, maintenance and repair tasks, on-site construction work. Ideal for users requiring up to 310A performance with multi-phase flexibility and generator compatibility.
Core Technology
Advanced IGBT inverter technology with multi-phase auto-sensing (1/2/3-phase), 60V-560V input range, up to 310A output (3-phase), 60% duty cycle at 40°C. Dimensions: 457×228×373mm, 12.0kg weight.
Protection Systems
Overload and overheat protection, VRD safety (24V with ON/OFF switch), IP23S rating, Class H insulation for enhanced safety and longevity.
Key Features
Multi-Phase Capability
Auto-sensing 1-phase/2-phase/3-phase input with 60V-560V range. 200A max (1/2-phase), 310A max (3-phase) for maximum versatility.
Advanced IGBT Technology
Utilizes advanced IGBT inverter devices for enhanced performance, energy efficiency, and reliable operation across all phases.
310A Maximum Output
Delivers up to 310A maximum output (3-phase) with 60% duty cycle at 40°C, designed to handle 5.0mm welding rods.
Wide Voltage Range
60V-560V input range (1-phase/2-phase), 380V-560V (3-phase) accommodates unstable power conditions and generator operation.
Adjustable Arc Force
Arc force control allows for easy arc striking and improved weld quality, adaptable to various welding conditions.
Hot Start Function
Provides initial burst of current for easier arc ignition, particularly useful for difficult-to-start electrodes.
VRD Safety
Voltage Reduction Device reduces no-load voltage to 24V, promoting safe welding practices and extending machine life.
Intelligent Protection
Overload and overheat protection mechanisms ensure safety and longevity during extended welding operations.
Digital Meter
Precise presetting and display of welding current for accurate adjustments and consistent welding results.
Auto-Sensing Technology
Automatically detects 1-phase, 2-phase, or 3-phase input configuration for seamless operation without manual switching.
Generator Compatible
Suitable for use with generators, making it ideal for on-site jobs and remote welding locations without stable grid power.
Stable Performance
Delivers consistent welding performance across varying input voltages and phases, enhancing user experience and weld quality.
Dual Power Ratings
7.80kVA rated input power (1-phase/2-phase), 14.0kVA (3-phase) optimized for different power configurations.
Modern Aesthetics
Distinctive design with compact size, lightweight construction, and modern aesthetics for DIY enthusiasts and professionals.
IP23S Protection
IP23S ingress protection rating and Class H insulation ensure reliable operation in various working environments.
Variable No-Load Voltage
75V no-load voltage at 220V input, 65V at 380V input, optimized for different power supply configurations.
35mm² Cable Compatible
Designed for 35mm² pure copper cables (customizable length) for rod holder and earth clamp connections—thickest in the QN series.
Compact Design
457×228×373mm dimensions, 12.0kg weight—portable and manageable for mobile welding operations requiring high output.
Applications
Household Welding Projects
Perfect for household welding tasks, DIY projects, home repairs, and hobby welding applications requiring up to 310A output with multi-phase flexibility and reliable performance in areas with unstable power supplies.
Light Industrial Fabrication
Ideal for light industrial fabrication, medium-scale manufacturing, metal cabinet production, and workshop operations requiring 5.0mm rod welding capability with multi-phase power options.
Maintenance & Repair Tasks
Well-suited for maintenance and repair tasks, equipment servicing, general mechanical repairs, and industrial maintenance operations requiring portable 310A capacity with generator compatibility.
On-Site Construction Work
Suitable for on-site construction work, field welding operations, building installation, and remote locations with generator power where stable grid electricity is unavailable or multi-phase flexibility is required.
Summary
The MMA QN 5.0T combines advanced IGBT inverter technology with exceptional multi-phase capability (1-phase/2-phase/3-phase auto-sensing) and 60V-560V input range, delivering up to 310A maximum output (3-phase) with 60% duty cycle at 40°C in a 12.0kg package. Features include adjustable arc force, hot start function, VRD safety (24V with ON/OFF switch), intelligent overload and overheat protection, and digital meter for precise current control. Multi-phase auto-sensing accommodates 1-phase/2-phase (200A max, requires special connection) and 3-phase (310A max, 380V-560V) configurations with generator compatibility, making it ideal for on-site jobs and regions with challenging electrical environments. Designed to handle 5.0mm welding rods. Suitable for household welding, light industrial fabrication, maintenance and repair tasks, and on-site construction work. IP23S protection rating and Class H insulation ensure reliable operation. Dimensions (457×228×373mm) provide excellent portability for high-output applications. Variable no-load voltage (75V at 220V input, 65V at 380V input) optimized for different power configurations. Compatible with 35mm² pure copper cables (customizable length) for rod holder and earth clamp connections—thickest in the QN series. Dual power ratings (7.80kVA for 1/2-phase, 14.0kVA for 3-phase) optimized for different input configurations. Modern aesthetics and distinctive design make it perfect for both DIY enthusiasts and professionals requiring reliable high-output performance with multi-phase flexibility in challenging power environments.
Multi-Phase Flexibility with Auto-Sensing Technology
The MMA QN 5.0T features industry-leading multi-phase capability with auto-sensing technology (1-phase/2-phase/3-phase), providing up to 310A output with 60V-560V input range and generator compatibility—ideal for versatile applications requiring maximum power flexibility in challenging electrical environments.
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