Skip to main content

Return to overview


The TERRA 500 RC is robust and reliable three phase power source for TIG DC Lift and electrode welding. This arc generation is based on tried and tested inverter technology, and dimensions are particularly compact thanks to the Three-Level® power platform.

  • MMA - TIG DC Lift
  • Three-phase 3x400V
  • Inverter technology
  • Compact and light-weight
  • Remote Control compatible
  • Power supply function for small low voltage electric tools
  • Hot Start / Arc Force / AntiSticking functions
  • 500A@50% (40 °C)
  • 27.3 Kg
  • General
    Welding processs MMA - TIG DC Lift
    Materials Carbon steels - Stainless Steels - Cast irons - Aluminium
    Dimensions 620x240x460 mm
    Weight 27.3 kg
    Power supply 
    Voltage (50/60 Hz) 3x400V±15% 
    Maximum input power 29.7 kVA 
    Maximum input current 42.1A
    Efficiency 90%
    Slow blow line fuse 40A
    Open circuit voltage 61Vdc
    IP protection rate  IP23S
    Insulation class H
    Power supply cable 4x6mm2 - 5 m
    Power supply function for low-voltage electric tools (ELV) 12-60 Vdc
    Adjustment range 3A-500A
    Duty cycle
    MMA - 40 °C
    50% - 500A
    60% - 470A
    100% - 420A
    Duty cycle
    MMA - 25 °C
    100% - 470A
    MMA electrode synergy yes
    Function VRD 
    Remote control combatible
    • Light job shop fabrication
    • Medium-heavy job shop fabrication
    • Heavy job shop fabrication
    • Building sites
    • Shipyards
    • Plants machinery construction
    • Oil refinery plants construction
    • Repair and overhaul
    • Workshops
    • New generation advanced inverter technology power source for high speed dynamic arc control and superior welding performance
    • High power at 100% of duty cycle
    • Heavy duty and enviromental conditions, high service life
    • CAN fieldbus digital communication protocol system (very high speed and high reliability digital communication)
    • Software based controls can be upgraded as new features become available
    • Extremely rugged, reliable and easy-to-use systems
    • High temperature, shockproof, abrasion resistant plastic case
    • Air flow ducting and fully encapsulated PC board to avoid dust contamination
    • Full digital and user-friendly control panel
    • Excellent performances also with long power supply extension cables
    • Easy and accurate adjustments
    • Fully microprocessor controlled welding processes
    • Ideal for stick welding with multiple types of popular electrodes
    • Built-in adjustable arc control features (hot start, arc force, antisticking)
    • Reduced electromagnetic interference with lift start TIG welding
    • Current socket (panel) 50/70mm²
    • Remote control compatible