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Insquare W 421 AC/DC
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Primary:
Power supply: 3 x 400 V
Frequency: 50 / 60 Hz
cos phi: 0.95
TIG DC- and AC-Operation:
Open circuit voltage: 80 V
Welding voltage: 10 – 26.8 V
Welding current DC: 5 – 420 A
Welding current AC: 5 – 400 A
Duty cycle 40 % (10 min.): | 420 A (40 °C)
Duty cycle 50 % (10 min.): 420 A (20 °C) |
Duty cycle 60 % (10 min.): 400 A (20 °C) | 360 A (40 °C)
Duty cycle 100 %: 320 A (20 °C) | 310 A (40 °C)
Prim. cont. power: 14.5 kVA
Prim. cont. current: 21 A
Prim. max. current: 28 A