The LOKERMANN GRAND TIG 402 DC PULSE is a three-phase inverter welding generator for TIG DC, TIG DC Pulsed and MMA welding. With HF ignition, LCD control, adjustable Hot Start and Arc Force, anti-sticking protection and 400 A duty-cycle capability, it delivers precise and reliable welding performance for heavy industrial fabrication.
The GRAND TIG 402 DC PULSE from LOKERMANN is a professional three-phase inverter welding generator designed for TIG DC, TIG DC Pulsed and MMA electrode welding. Built for heavy industrial use, it delivers stable HF ignition, precise pulse control and reliable welding performance for demanding fabrication environments.
Overview
The GRAND TIG 402 DC PULSE is engineered for professional welders who require high-quality TIG DC welding, powerful pulsed TIG capability and dependable electrode welding in one industrial machine. Its large colour LCD display allows intuitive and fast machine setup, helping operators obtain consistent welding quality with reduced adjustment time.
With excellent HF ignition, the machine is suitable for welding stainless steel, copper alloys, carbon steel and titanium. Pulsed TIG enables high performance on very thin sheets with reduced deformation, while MMA mode includes adjustable Hot Start and Arc Force functions for improved electrode welding control. The anti-sticking function interrupts the welding current when the electrode remains attached to the workpiece.
The GRAND TIG 402 DC PULSE is equipped with temperature, voltage and current sensors for protection and is designed to compensate for power supply voltage fluctuations, including operation when connected to a motor generator. It is positioned for heavy industrial applications such as the food industry, petrochemical sector and professional metal carpentry where excellent welding quality is required.
Recommended accessories
TIG DC and pulsed TIG control
The GRAND TIG 402 DC PULSE supports both TIG DC and TIG DC Pulsed processes, enabling precise heat control and improved weld quality. Pulsed TIG is particularly useful for thin sheets where reduced deformation and controlled weld penetration are required.
HF ignition
High-frequency ignition provides easy arc starting and supports clean, precise TIG welding performance in demanding applications.
MMA welding capability
The machine also supports electrode welding, with adjustable Hot Start and Arc Force functions that improve ignition, arc stability and operator control during MMA welding.
Anti-sticking protection
The anti-sticking function interrupts the welding current if the electrode sticks to the workpiece, helping protect the electrode and simplify operation.
Industrial protection systems
Integrated temperature, voltage and current sensors protect the machine during heavy-duty use and support stable operation in demanding industrial environments.
Generator and voltage fluctuation support
The machine is designed to compensate for power supply voltage fluctuations, making it suitable for use with motor generators and industrial electrical environments where supply stability may vary.
The GRAND TIG 402 DC PULSE is suitable for:
The GRAND TIG 402 DC PULSE is a strong choice for professional users who need high-output TIG DC Pulse welding with industrial durability and precise arc control. Its combination of HF ignition, LCD-guided setup, MMA functionality, protection systems and generator-compatible design makes it suitable for demanding production environments where weld quality, stability and reliability are essential.
| Code | 12013 |
| Input voltage | 400V |
| Input frequency | 50/60 Hz |
| Input phase | 3 |
| Rated input power* | 16.7kW-22.1kW |
| Rated input current (I1MAX)* | 24.1A-31.8A |
| Rated input current (I1EFF)* | 18.7A-24.6A |
| Duty cycle 60% (10 min 40°C)* | 400A |
| Duty cycle 100% (10 min 40°C)* | 310A |
| No load voltage | 74V |
| Current range* | 10A/400A |
| Net weight | 28kg |
| Dimensions | 660x300x470mm |
| Protect class | IP23S |
| Insulation class | F |
| Power factor | 0.75 |
| Idle state power consumption | 20W |
| Efficiency | 87.8% |
| TIG trigger connector | 12 pins |
GRAND TIG 402 DC PULSE
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