Telwin SUPERIOR 250 MMA-TIG Three-phase Inverter Welding Machine – DC current up to 250A
Product code
816039
Certification
✅ Compliant with the EN60974-1 standard for MMA and TIG DC welding with scratch striking
Main features
✔ MMA and TIG DC electrode inverter welding machine with scratch striking
✔ Compatible with rutile, basic, stainless steel, cast iron electrodes up to Ø 5 mm
✔ Compact size and low weight
✔ High current stability even with variable supply voltages
✔ Instant control of welding drop transfer
✔ Equipped with devices: arc-force, hot start, anti-stick
✔ Ideal for industrial applications, shipyards and professional workshops
✔ Compatible with motor generators (±15%)
Safety and protection
? Protections integrated: thermostatic, overvoltage, undervoltage, overcurrent
? Degree of protection IP23 against dust and splashes of water
Technologies and materials
✔ High efficiency at 87%
✔ Power factor (cosφ) 0.8
✔ Continuous regulation of DC current up to 250 A
✔ Reliable operation even in harsh conditions
Sectors of use
? Metal constructions, heavy carpentry, industrial maintenance
? Mechanical workshops, plant engineering, construction site work
Mains voltage
400 V (three-phase)
Frequency
50 / 60 Hz
DC current regulation range
10 - 250 A
Max. DC current EN60974-1
220 A @ 25%
Current 35% DC
160 A
Average current in DC
130 A
Voltage at max vacuum
85 V
Max absorbed current
12 A
Absorbed current at 60%
6.8 A
Max absorbed power
8.2 kW
Absorbed power at 60%
4 kW
Minimum motor generator power
12 kW
Efficiency
87 %
Power factor (cosφ)
0.8
Ø supported electrodes
1.6 - 5 mm
Protection degree
IP23
Dimensions
43 x 17 x 34 cm
Weight
8.4 kg