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TECNA spot welders are designed to meet every need of spot welding. The new stationary ergonomic frame designed by TECNA helps to facilitate the operator’s work. The control unit has been positioned frontally to allow the operator to view the welding data even during the working cycle. The pneumatic commands and the compressed air pressure gauge have been placed at the top for easier adjustment and reading

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  • Arms adjustable in length allowing a better working flexibility.
  • Chrome-copper electrode-holders for long life and heavy duty service, designed for straight and angled fitting.
  • Adjustable electrode stroke.
  • Epoxy resin coated transformer.
  • Water-cooled transformer, arms and electrodes.
  • Microprocessor control unit TECNA TE90.
  • The air operated lubrication free cylinder eliminates oil mist.
  • Electrode force adjustment.
  • Semi-automatic drainage system.
  • Electrode speed control valves, shock absorber for cylinder’s end of stroke and air discharge silencers.


ITEM 4603
Nominal power at 50% kVA 20
Maximum welding power kVA 48
No load secondary voltage V 4
maximum short circuit current kA 14.5
Maximum welding current on steel kA 11.6
Thermal current 100% A 3500
Supply voltage  V 230
Cables section L=30 m mm2 10
Delayed fuses A 40
Min. electrodes throat depth mm 230
Max. electrode force (6 bar) daN 240
Electrode stroke mm 8-44
Max. electrodes throat depth mm 550
Max. electrode force (6 bar) daN 115
Electrode stroke mm 15-85
Arms diameter mm 40
Electrode-holders diameter mm 22
Standard electrodes cone diameter mm 14.8
Water cooling l/min 3
Aerial noise produced dB(A) < 70
Measure conditions
working stroke mm 20
welding time cycles 17
welding current kA 11
working rating in welds/min 10
Net weight (approximately) kg 124