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The TERRA NX 400 SMC forms a complete series of three-phase power sources for conventional MIG/MAG welding. The TERRA NX SMC is the perfect welding power source for simple, reliable and modern wire fed welding.


  • Three-phase supply 3x400V
  • Built-in wire feeder unit
  • 2 proprietary welding processes by Böhler Welding
  • Up to 600 welding programs (SteelDrive)
  • 400A@40% (40 °C)
  • 34.0 kg
  • General
    Welding processs MIG/MAG - MMA - TIG DC Lift
    Master Software MS TERRA NX SMC/MSE (SteelDrive)
    Materials Carbon steels - Stainless Steels - Aluminum
    Dimensions 690x290x510mm
    Weight  34 kg
    Power supply 
    Voltage (50/60 Hz) 3x400V±15%
    Maximum input power 20.9 kVA
    Maximum input current 30.1 A
    Efficiency 89%
    Slow blow line fuse 25 A
    Open circuit voltage 61Vdc
    IP protection rate  IP23S
    Insulation class H
    Power supply cable 4x4mm2 - 5 m
    Adjustment range 3A-400A
    Duty cycle
    MIG/MAG - 40 °C
    40% - 400A
    60% - 360A
    100% - 330A
    Duty cycle
    MIG/MAG - 25 °C
    100% - 400A
    Ø Wire diameter 1.0 -1.2 mm (opz .0.6-1.6)
    Ø Fluxcoredwire 0.9 - 1.6 mm
    Ø Aluminumwire 0.8 -1.6 mm
    Wire speed 0.5 - 22.0 m/min
    N° rolls  4
    Wire spool diameter Ø 200/300mm
    Remote Control compatible yes
    U/D MIG/MAG torch compatible yes (SteelDrive)
    PUSH PULL torch compatible yes


      Classic Smart SteelDrive
    MIG/MAG Processes ArcDrive ArcDrive ArcDrive-RapiDeep
    Welding Programs - 18 600 (max)
    Personalized programs (job) - - 240
    • Light job shop fabrication
    • Building sites
    • Shipyards
    • Automobile industry
    • Railway industry
    • Repair and overhaul
    • Workshops
    • Sheet metal working
    • greenWave inverter technology for high energy efficiency and perfect control over all welding phases
    • 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
    • High temperature, shockproof, abrasion resistant plastic case
    • Air flow ducting and fully encapsulated PC board to avoid dust contamination
    • Linear controlled fan on demand
    • Energy-saving inverter technology (built-in P.F.C. - power factor controller)
    • Built-in wire feeder unit (2/4 rolls drive)
    • Wire drive unit fully designed by voestalpine Böhler Welding
    • Ø 200/300 mm wire spool compatible
    • Welding polarity switch device
    • Full digital and user-friendly control panel
    • Welding parameters digital display
    • Last job settings auto-storage at switch-off
    • Lock-unlock function key protected by password
    • Ideal for stick welding with multiple types of popular electrodes
    • Built-in adjustable arc control features (hot start, arc force, antisticking)
    • Synergic setting for optimal stick welding with all types of electrodes
    • Reduced electromagnetic interference with lift start TIG welding
    • 2/4 step operating mode
    • Arc dynamic adjustment
    • Perfect arc ignition (soft start - motor slope)
    • Burn-back and droplet detachment correction
    • Synergic operations from databank (16 pre-set programs)/(URANOS 2700 SMC SMART)
    • Wire speed (0,5-22,0 m/min)
    • Spot welding mode
    • Intermittent welding mode
    • Bilevel MIG/MAG (Uranos 2700 SMC Smart)
    • Remote control compatible
    • WU cooling unit compatible
    • Controlled cooling operations