3
Main performance parameters table:
Model
Parameters
AC.DC TIG-200
AC.DC TIG-250
AC.DC TIG-315
Power voltage
Single-phase AC110V/220
±
15
％
Three-phase AC380
±
15
％
Power frequency
（
HZ
）
50/60
50/60
50/60
Rated input current (A)
20.7
9.6
13.9
Output current adjustment (A)
20-200
20-250
20-315
No-load voltage (V)
56
45
45
Rated operating voltage (V)
18
20
23
Pre-flow (S)
0-2
0-2
0-2
Duty ratio (%)
20-80
20-80
20-80
Down-slope time (S)
0-5
0-5
0-5
Post gas (S)
2-10
2-10
2-10
Remote control
Non-available
Available
Available
Arc initiation
High frequency
High frequency
High frequency
Efficiency (%)
85
85
85
Duty cycle (%)
60
60
60
Power factor
0.93
0.93
0.93
Insulation grade
B
B
B
Shell protection grade
IP21
IP21
IP21
Weight (kg)
20
20
20
Outline dimension (mm)
710x400x660
710x400x660
710x400x660
Maximum welding thickness
27
27
27
Parameter table for impulse foot switch:
Parameters
Frequency (Hz)
0.5-10
Duty ratio (%)
20-80
Valley valve (%)
10-90
