LOTOS TIG140 140Amp DC TIG / Stick IGBT Welder Dual Voltage

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General Overview

The LOTOS TIG140 is a compact inverter Lift Start welder that provides DC stick and DC TIG welding capability. It is a welding machine incorporating IGBT and features performance and high efficiency. The welder is ideal for welding tasks where portability and performance are required. All ferrous metal, copper and stainless steel material can be omni-bearing welded in all positions. With 120V/240V capabilities, the unit can be operated almost anywhere a power outlet is found, and can be used with small clean powered generators.


Ø 140-amp DC TIG/Stick(MMA) Welder

Ø Automatic dual voltage / dual frequency (110/220-volt 50/60Hz)

Ø Analog controlled IGBT inverter

Ø Suitable for welding stainless steel, mild steel, and other metal materials


Output Power
Input Voltages
110/220V, 1-PH, 50-60Hz
Input Current
15A @110V, 30A @220V
Output Current
TIG: 10 – 80A 20.4-23.2 V (110V) DC
10 – 140A 20.4-25.6 V (220V) DC
Open Circuit Voltage
70 V
Duty cycle @ 40°C (104°F)
35% @ 80A (110V)
60% @ 65A (110V)
100% @ 50A (110V)
35%@ 140A (220V)
60% @ 100A (220V)
100% @ 85A (220V)
Dimensions with handle
20” (508mm) L
12.5” (318mm) W
13.5” (343mm) H
Weight w/ 5' (1.5 m) torch
24.8lbs (11.2kg)
Gas Supply
Clean, dry, oil-free argon
Protection Class
Input power cable length
6’ (1.8m)
Mild Steel
Welding Capacity:
1/4" (6mm)
Stainless Steel
Other Metals
1 Year Warranty Included
*Production cut thickness are the results of Lotos’ laboratory testing. Production speeds are approximately 80% of maximum.
* For optimum weld quality, welding speeds may vary based on different welding applications.

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