TIG Series AC dc 315 welding inverter

Parameter AC dc 315 welding Inverter
Input power voltage (V) AC-415±15﹪
Frequency (Hz) 50/60
Rated input power capacity (KVA) 9.5/6.5
Rated input Current (A) 8
Rated input current MMA/TIG (A) 12.6/8.9
No-load voltage (V) 45V
Current adjusting range (A) 10-315
Rated output voltage MMA/TIG (V) 32/22
Duty cycle (%) 60
Arc starting HF
Case protection degree IP21
Gas Flow (M3 / min) 2.5
Overall dimension (mm) 560 x 365 x 355
Weight (kg) 39

Product Description

Adopt advanced MOSFET inverter technology, using non-crystal core and power units. Reliable, portable, light and high efficiency.


  • TIG Torch
  • Earth Clamp with Cable
  • ARC Holder with Cable

Guidlines based materials

Base Material Plate Thickness (mm) Welding rod/Carbon rod (dia) Current Range (A) Applicable Model
All Types of Carbon Steel, Stainless Steel, Low-alloy Steel

3.0 -6.0

1.6 - 4.0

20 - 250

KR-250A TIG

Product Features

  • Designed in the advanced inverter technology with high working frequency; small, light and very convenient to carry on.
  • High-Frequency Increased-Voltage & Pulse Hot Arc Ignition Design; Excellent Ignition Performance With Sufficient Welding Current.
  • Well organized structure, built through excellent manufacturing processes, reliable, durable and easy to maintain.
  • Adaptable to the welding application on the stainless steels, carbon steels and coppers etc.
  • Over Voltage & Over Current Auto-Protection Functions.
  • With advanced Single IGBT technology.