TIG Series TIG 300 mosfet

Parameter TIG 300 AMPS MOSFET
Input power voltage (V) 3P AC -415±15%
Input power capacity (KVA) 8
Frequency (Hz) 50/60
Rated input current MMA/TIG (A) 18.4/12.7
No-load voltage (V) 45V
Current adjust range (A) 10-300
Rated output voltage MMA/TIG (V) 32/22
Duty cycle (%) 60
No-load Power (W) <100W
Arc starting HF
Efficiency (%) 85
Power Factor 0.93
Insulation Class F
Case Protection Degree IP21

Product Description

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


  • Water Cool 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

2.0 -20.0

1.6 - 5.0

20 - 400

KR-400A 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.