Microplasma-arc welding unit «plasmaJET 250 SPS»

Plasma welding appliance plasmaJET 250 SPS
plasmaJET 250 SPS


  • Integrated high-performance cooling by circulating water
  • Modes of operation 2-cycle / 4-cycle / time lapse control / plasma spot welding
  • Storage of all welding parameters in welding programs (standard 60, please see: options)
  • Excellent burning behaviour of pilot due to inverter technology
  • Test sequence for the welding program
  • Indication of fault messages in plain text
  • Indication of the welding program flow
  • Monitoring of the coolant flow-rate to protect the plasma-torch
  • Built-in flowmeter for the precise setting of pilot- and shielding gas
  • Pulsed-mode operation with variable frequency, width and basic current
  • Modular control system (Siemens S7-200) with software-based program control
  • Simple entry of welding parameters with menu-technique and indicator
  • Software-based adjustment to any welding task
  • Control receptacle of the device (start/stop welding, start pilot, delete message, emergency stop, current-recognition pilot current, current recognition main current, fault message, welding programs retrievable in bi-nary-coded data).
  • Plain text display can be shifted between English and German (please refer to the options)
  • Wheeled. Swivelling rollers with brakes
  • Central connection for the welding torch
  • Modes of operation: TIG and plasma

Features of the «plasmaJET SPS» units

  • Gas monitoring
    • Monitoring the amount of gas with adjustable alert limits for shielding/pilot gas
  • Communication
    Power source connectable to a bus system (?Profibus? DP or Siemens MPI)
    • Surveillance of all welding parameters at the device control
    • Central diplay for status and error messages
    • Access to all functions of the power source
  • Path sensitive control
    • Synchronized path for welding process via pulse generator
    • 10 programmable currents and ramps
    • Activation for motor controller
    • 100 welding programs only if equipped with function display OP7
  • Gas control




Technical data

Mains voltage: 3x 400 V
Mains frequency: 50/60 Hz
Mains fuse: 16 A time-lag
Pilot current: 3 - 15 A
Welding current: 4 - 250 A
Duty cycle: 250 A / 60%
  200 A / 100%
No-load voltage: 95 V
Dimensions W x H x D (mm): 455 x 980 x 620
Weight: 90 kg