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TIG welding power supply QINEO QuesT-402-DC
electrodethree-phaseDC

TIG welding power supply - QINEO QuesT-402-DC - CLOOS - electrode / three-phase / DC
TIG welding power supply - QINEO QuesT-402-DC - CLOOS - electrode / three-phase / DC
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Characteristics

Technique
TIG
Consumables
electrode
Power supply
three-phase
Output current
DC, pulsed DC
Material
for steel, for aluminum, for stainless steel
Other characteristics
with separate wire feeder
Intensity

Max.: 400 A

Min.: 3 A

Output frequency

Max.: 20 kHz

Min.: 0 kHz

Description

Product overview
  • Type: TIG welding power source (DC)
  • Model: QINEO Quest 402 DC Master
  • Intended use: manual TIG welding for DC-capable base materials
  • Core functions: Deep Pulse (up to 20 kHz), pulsed TIG for fast current transitions and controlled penetration


Key features
  • Welding current range: 3–400 A
  • Rated current 100% ED: 350 A; 60% ED: 400 A
  • Input voltage: 380–480 V, 50 Hz, 3-phase; mains fuse (400 V): 32 A
  • Open-circuit voltage: 76–96 V; Protection class: IP23
  • Deep Pulse and WIG-pulse functions for dynamic current control
  • Modular design with multiple interfaces and parameterization options
  • Dimensions (L × W × H): 700 × 340 × 255 mm; Weight: 63 kg


Technical specifications
  • Processes: TIG (GTAW) DC
  • Suitable base materials: Aluminium; chrome-nickel alloys; high-strength steel; steel; heat-resistant steel; heat-sensitive materials
  • Connection cable: 4 × 6 mm²
  • Insulation class: F; Cooling class: F
  • Form factor: external wire drive; Product family: welding power source


Applications and recommendations
  • Manual TIG welding across thin to thick sections where pulsed control and deep penetration are required
  • Configure with appropriate TIG torches, cooling and peripherals; consult supplier for customised setup and accessories

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