Grand MIG 502 SYN

High-power synergic welding for heavy fabrication.

The LOKERMANN GRAND MIG 502 SYN is a three-phase multi-process inverter welding power source for MIG, Synergic MIG, TIG DC Lift and electrode welding. With LCD control, waveform correction, adjustable Arc Force, anti-sticking protection and 500 A at 60% duty cycle, it is designed for high-productivity medium and heavy carpentry applications.

Grand MIG 502 SYN

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Grand MIG 502 SYN

The GRAND MIG 502 SYN from LOKERMANN is a three-phase multi-process inverter welding power source for MIG, Synergic MIG, TIG DC Lift and MMA electrode welding. Designed for medium and heavy carpentry, it delivers high productivity, robust performance and simplified welding setup for demanding industrial fabrication.

Overview

The GRAND MIG 502 SYN is built for professional welding environments where power, versatility and reliable arc performance are essential. Its large colour LCD display allows intuitive and fast machine setting, helping operators achieve high welding quality with reduced setup time. The Synergic MIG function assists the welder in selecting the correct parameters by adjusting one knob, reducing machine setting time and lowering the risk of defects caused by incorrect parameters.

The machine supports MIG, Synergic MIG, TIG DC Lift and electrode welding. Waveform correction improves arc stability, even at low currents, while adjustable Arc Force and anti-sticking protection improve electrode welding control. With a 500 A at 60% duty cycle, cooling-unit connection capability and multi-process operation, the GRAND MIG 502 SYN is designed for productive medium-heavy carpentry applications.

Recommended accessories

  1. Cable harness 5 m H20 70 mm² EVO – 40117
  2. Cable harness 10 m H20 70 mm² EVO – 40118
  3. Cable harness 1.5 m H20 70 mm² EVO – 40116
  4. GRAND FEED – 43022
  5. 4-wheel trolley EVO MIG – 40119
  6. GRAND COOLER EVO – 43021
  7. Earth cable 70 mm² 4 m PRO – 21018
  8. Earth cable 70 mm² 4 m – 21016
  9. MIG Torch LKM 500, 4 m – 23013
  10. MIG Torch LKM 500 HC, 4 m – 23016
  11. MIG Torch LKM 240, 4 m – 23034
  12. TIG Torch LKM G Style 18, 4 m – 22037
  13. LKM ALTAVISTA mask – 37600
  14. Roller V 0.8–1.0 SP – 40052
  15. Roller V 1.0–1.2 SP included – 40053
  16. Roller V 1.2–1.6 SP – 40054
  17. Roller U 0.8–1.0 SP – 40055
  18. Roller U 1.2–1.6 SP – 40056
  19. Knurled roller 1.0–1.2 SP – 40057
  20. Knurled roller 1.2–1.6 SP – 40058

Key points

  • Three-phase multi-process inverter power source
  • MIG, Synergic MIG, TIG DC Lift and MMA welding
  • Large colour LCD display
  • Synergic MIG single-knob parameter adjustment
  • Waveform correction for improved arc stability
  • Adjustable Arc Force for electrode welding
  • Anti-sticking protection
  • Cooling unit connection capability
  • High duty cycle: 500 A at 60%
  • Designed for medium and heavy carpentry

Technical advantages

Synergic MIG control

The Synergic MIG function helps the operator find suitable welding parameters quickly by adjusting one knob. This reduces setup time and helps minimise welding defects caused by incorrect parameter selection.

Multi-process flexibility

The GRAND MIG 502 SYN supports MIG, Synergic MIG, TIG DC Lift and electrode welding, making it suitable for workshops that need one high-power machine for multiple welding processes.

Improved arc stability

Waveform correction increases arc stability, especially at low currents, supporting smoother welding behaviour and better process control.

Electrode welding support

Adjustable Arc Force allows easier electrode welding operation, while anti-sticking protection interrupts welding current when the electrode remains stuck to the workpiece.

High productivity

With 500 A at 60% duty cycle and cooling unit compatibility, the machine is designed for demanding production environments requiring sustained welding output.

Applications

The GRAND MIG 502 SYN is suitable for:

  • MIG welding
  • Synergic MIG welding
  • TIG DC Lift welding
  • MMA electrode welding
  • Medium carpentry
  • Heavy carpentry
  • Industrial fabrication
  • Repair and maintenance
  • Workshop production welding
  • High-productivity metalworking environments

Why choose GRAND MIG 502 SYN

The GRAND MIG 502 SYN is a strong choice for professional fabrication environments that require high welding power, multi-process flexibility and simplified setup. Its synergic control, LCD interface, waveform correction and 500 A duty-cycle capability make it suitable for demanding medium-heavy carpentry applications where productivity and weld quality are critical.

Technical Parameters

Code13011
Input voltage400 V
Input frequency50/60 Hz
Input phase3
Rated input power*25.5kW / 20.9kW / 26.7kW
Rated input current (I1MAX)*36.8A / 30.2A / 38.6A
Effective input current (I1EFF)*28.5A / 23.4A / 29.9A
Duty cycle 60% (10 min 40°C)*500A
Duty cycle 100% (10 min 40°C)*390A
No load voltage96.5 V
Current range30A/500A (MIG)
Net weight33.5kg
Dimensions660x300x470mm
Protection classIP23
Power factor0.8
Rolls type1.0-1.2 V
Wire spool Ø300
Efficiency89.50%
Maximum stand-by consumption20W

Grand MIG 502 SYN

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