
The 321 LCD
Cobra by Stealth TIG Welding Machine

The Cobra by Stealth 321 LCD AC/DC TIG Air Cooled Welding Machine is compatible with related products, including the 9827H air-cooled TIG package (ET26-12SZ torch, WP18AK accessory kit, D3595-1-1 TIG adaptor, EH32LD 3m electrode lead, and WE25/12 12-pin plug with pins 8 & 9), the 9828H water-cooled TIG package (ET18-12SZ torch, WP18AK accessory kit, D3595-1-1 TIG adaptor, 9829 3/8" quick disconnect adaptor kit, EH32LD 3m electrode lead, and WE25/12 12-pin plug with pins 8 & 9), and the 9826H wired pedal for enhanced versatility and performance.
Specifications
AC/DC Technology
Dual power
PLP safe
Phase loss protection
Easy arc striking
HF
Control system
MCU
Heavy duty cycle
60%
LCD display
4.3"
Generator Friendly
Yes
-
Power supply voltage (V)3-400V ± 10%
-
Power frequency (Hz)50/60
-
Max input current (A)TIG: AC: 17.4 | DC: 18.6
MMA: AC: 23.2 | DC: 24.6 -
Max input current (kVA)TIG: AC: 12 | DC: 12.9
MMA: AC: 16.1 | DC: 17 -
Welding current range (A)TIG: DC: 5-320
MMA: DC: 10-320 -
Max no-load voltage (V)TIG: 84
MMA: 10.3 -
Up slope/Down slope0-10
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Pre/Post flow (S)0.1-2.0/0.0-10.0
-
Pulse frequency (Hz)0.5-999
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Pulse width range (%)5-95
-
Duty cycle (40°C 10 min)60% @ 320A
100% 250A -
Power factorTIG: ≥0.7
MMA: ≥0.73 -
Protection classIP21S
-
CoolingAF
-
Net weight (kg)31.1
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Dimensions (mm)710 x 270 x 490
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StandardsEN60974-1:2021 (LVD)
EN60974-10:2021 (EMC)
2019/125/EC (EER)