Technical specifications

Item NoMASTER TIG-500CT
Rated Input Voltage3PH ~ 400V ±15%
Max. Load Power CapacityTIG: 20.76KVA
 MMA: 19.93KVA
Rated Duty Cycle(40℃) 60%TIG: 500A/30V
 MMA: 400A/36V
100%TIG: 400A/26V
 MMA: 315A/32.6V
Welding Current/Voltage RangeTIG: 5A/10.2V~500A/30V
  MMA: 20A/20.8V~400A/36V
Open Circuit Voltage 70V~80V
Power Factor 0.85
Efficiency 85%
TIG Pulse Peak Current5A~500A
Pulse Frequency 0.2Hz~200Hz
Pulse Width (Ratio) 1~100%
AC TIG AC Frequency Range 20Hz~250Hz
AC Clean Width (AC Balance) +40~-40
AC Clean Ratio (AC Bias) % +30~-50
MIX TIG MIX Frequency: 1Hz~5Hz
DC Balance: (%) 20~80
Arc-starting Current 5A~500A
Crater-filling Current 5A~500A
Current Up-slope Time 0.1S~15S
Current Down-slop Time 0.1S~15S
Pre-Gas Time 0.1S~15S
Flow-Gas Time 0.1S~15S
Spot Arc Time 0.1S-10S
MMA Arc Force 10A~400A
  Hot Start Time 0.1~3S
  Hot Start Current 10A~400A
Dimension (LxWxH) 960x420x1100mm
Weight (KG) 88KG

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