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activArc –Precise, focussed arc with reduced heat input and deep penetration for optimum root fusion |
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Tetrix 551 AW FW |
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TIG |
MMA |
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Setting range for welding current |
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5 A - 550 A |
5 A - 550 A |
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Duty cycle at ambient temperature |
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25 °C |
40 °C |
25 °C |
40 °C |
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60 % |
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550 A |
550 A |
550 A |
550 A |
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80 % |
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520 A |
– |
520 A |
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100 % |
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450 A |
420 A |
450 A |
420 A |
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Open circuit voltage |
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80 V |
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Mains frequency |
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50 Hz / 60 Hz |
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Mains fuses (slow-blow) |
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3 x 35 A |
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Mains voltage (tolerances) |
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3 x 400 V (-25 % - +20 %) |
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Max. connected load |
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22.2 kVA |
29.2 kVA |
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Recommended generator power |
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39.4 kVA |
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Dimensions, machine, LxWxH in mm |
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1100 x 680 x 1000 |
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Weight, machine |
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134 kg |
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Protection classification |
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IP 23 |
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Insulation class |
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H |
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Torch connection |
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Decentral |
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Standards |
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IEC 60 974-1; -3; -10 / CE / S-Safety sign / EMC class A |
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- Very easy and extremely convenient to use thanks to EWM TIG Synergic operation
- Synergic one-knob operation and clear, self-explanatory operating panel
- Selection and display of the welding task (JOB) via LED user menu
- 256 JOBs (welding tasks) which can also be accessed from the torch
- Reproducible setting of all welding parameters by means of digital displays
- Highlights
- Ideal for changing welding tasks with user-friendly JOB selection menu for selecting material type, weld type, tungsten electrode diameter and welding current/panel thickness
- activArc – precise, focussed arc with reduced heat input and deep penetration for optimum root fusion
- Pulsed TIG welding in Hz and kHz ranges – with or without remote control – for thin metal sheets, difficult materials and special welding tasks
- Spotmatic – saves 50% of tacking time
- Connection capability: Remote control, up/down and Retox torches, PC with welding data and documentation software
- Also ideal for mechanised and automated applications
