Welding Inverters - TIG - Sigma Weld 250PT
 
Technical Specifications
Rated Input Voltage
3-phase 415V+ 10%
Rated Power (KVA) at 80% 9 KVA
Rated Power (KVA) at 100%
7 KVA
Rated Duty Cycle 80%
250 A
Rated Duty Cycle 100% 200 A
OCV-DC (Nominal)
80 V
OCV-DC (Energy Saving Mode)
20 V
Energy Save In built
 
Protection:
 
1) Thermal Shutdown Yes
2) Under Voltage Yes
3) Over Current Yes
4) IGBT Peak Current Yes
Insulation Class Class F
Cooling Forced Air
Output Current Range 5 - 250 A
Ignition Type HF/ Lift Arc (Non-Contact)
Arc Force Auto adjusted
Hot Start Current 30%
Hot Start Duration (Approx) 300m Sec
Arc Breaking Control In built
Peak Current 250A
 
High Frequency
 
1) Up Slope Time 0.1 - 10.0 Sec
2) Down Slope Time 0.1 - 10.0 Sec
 
DC Pulse TIG
 
1) Base Current 5A - 100% of Peak Current
2) Peak Time 0.1 - 10.0 Sec
3) Base Time 0.1 - 10.0 Sec
Gas Pre-flow In built
Gas Post-flow 1.0 Sec/ 20A
Weight 35Kg
F.A.N. (Fan As Needed) Optional
Digital Ammeter In built
Process Memory Recall In built
Gas Solenoid Valve Optional
Water Colling for TIG torch Optional
Continual development can lead yo changes in specification