Welding control units with welding current direct reading.Six-phase silicon rectifier with device to check the diodes proper clamping.Protection of the diodes against excess voltages, and temperature.Synchronous SCR contactor insulated from the cooling water circuit with protection thermostat.Standard on all models: two-hand safety control with timer assuring the best safety, and removable key selector. The two-hand control push-buttonsare standard on projection welders only (they are available on request on spot welders).Two-stage electric foot control for clamping and welding pieces only if correctly positioned.Pre-connected for additional double stage electric foot control for the direct recalling of welding program No.2 (not on units equipped with rotary selector recall).Emergency push-button to stop the machine immediately.Protection with automatic circuit breaker.Water-cooled transformer, plates, electrode-holders and electrodes; transformer with epoxy resin coated windings.
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Tecna (Tecna Weldcon India Pvt. Ltd.)
F-135, MIDC, Ambad, Nashik, Maharashtra, India - 422010.
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