Thyristorised Welding Rectifier

  • Fabrication and repair of nuclear plant, chemical process plants, refineries, steel plants, thermal power plants, etc.

  • Model - UT 400 TR
  • Input supply - 380/415/440 V
  • Open circuit voltage - 80 V
  • Welding current range - 10-400 A
  • Max welding current @ 60% 400 A
  • Max welding current @ 100% 310 A
  • Rating, KVA @ 60% 34 kVA
  • Rating, KVA @ 100% 25 kVA
  • Insulation - Class H
  • Cooling - fan
  • Conforms to - IS 4559
  • Fuse rating - TP/50
  • Recommended PF correction capacitor - 9 kVAR
  • Dimension (L x B x H) - 725 x 525 x 700 mm
  • Weight - 165 kg

  • Accurate and repeatable welding current setting for MMA welding with exceptional arc stability and controlled heat input
  • True vertical welding current characteristics
  • Stable arc with regular droplet transfer
  • Constant penetration for more regular welds
  • Less spatter
  • Built-in electronically controlled 'anti-stick' for prevention of electrode freezing and "hot start" for improved starting
  • Built-in-protection against H.F interference and thermal run away
  • Power source suitable for TIG welding when connected with TIG console for normal and pulsed TIG

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