WALTER AC/DC CELL 250 AC/DC CELL 250 Input Voltage 1ph 230Vac +/-15% Input Volt. Frequency Hz 50/60Hz Input Power kW 6 Fuse 230Vac T/A 25 Welding Current TIG A 1 - 250A Welding Current MMA A 10 - 200A O.C.V. TIG V 10V O.C.V. MMA V 80V Arc Voltage: TIG V 11V - 32V Arc Voltage: MMA V 22V - 34V Intermitencija/Tambijenta TIG/MMA Imax 40°C 50°C 250A/200A/40% 170A/160A/100% 120A/120A/100% Arc Ignition HF AC/DC mode yes Pulse Frequency (DC) Hz 0.1Hz – 990Hz Pulse Frequency (AC) Hz 20Hz – 990Hz Duty Cycle/AC Balance % 10% - 90% Start/Stop Current sec 0.1s - 20s Upslope/Downslope Curr. sec 0.1s - 20s Pre/Post gas sec 0.1s - 20s LCD Digital Display LCD 128x64 LCD Cellulosic MMA yes Memory 30 slots Remote control/foot pedal yes Remote control/TIG torch yes Mechanical Protection Class IP 23 Dimensions mm 195x300x450 Weight kg 15 Zavarivanje Ltd. is proud to be the recipient of "A Step Into the Future" Special Recognition Award at the 53rd Belgrade international fair of technology and technical accomplishments for WALTER 400 AC/DC industrial welder in the category of electrical engineering and industrial electronics. TECHNICAL CHARACTERISTICS - WALTER 250 CELL: MAGIC WAND - single click setup. AC pulse from 20Hz up to 1000Hz. DC pulse from 0.1Hz up to 1000Hz. AC PULSE and Asymmetrical AC PULSE - additional control of weld pool cleaning and weld penetration for thick or oxidized aluminum sheets. (AC/DC MODEL ONLY) MIX+ and MIX- welding process for additional cleaning or increased penetration of weld pool in Aluminum welding. (AC/DC MODEL ONLY) Spot and Micro Spot in both DC and AC welding modes (for tacking of metal sheets and butt welding of wires from 0.4mm). Range of metal sheets welded (steel and aluminum) – 0.2mm to 10mm. Automatic adjustment of current pulse during HF ignition. Program for increased precision for currents of 1A – 10A. 10-90% AC Duty Cycle – wide range of oxide cleaning. (AC/DC ONLY) Programmed and automatic setting of AC Duty Cycle. (AC/DC ONLY) Programmable start, upslope, downslope and stop currents. Option: Remote control - foot pedal or handheld. Programmable pre/post flow of the protective gas. Efficient overtemperature protection with exact temperature displayed. 2S/4S - two-stroke and four-stroke modes of welding. 15kV HF arc ignition. Direct and reverse output polarity. Program for automatic forming of electrode tip in AC welding. (AC/DC ONLY) Measurement and display of actual current and arc voltage. Diesel generator friendly. 1A minimum DC current. 2A minimum AC current. User interface with 128x64 LCD display. Saving up to 30 welding programs. ABSOLUTE MAXIMUM RATINGS - WALTER 250 AC/DC CELL: Maximum current 250A(TIG). 40%/40°C, 20%/50°C. Maximum basic electrode diameter 3.25 -- at 160A /100%. Maximum basic electrode diameter 4.00 -- at 200A/40%. MMA applied in metal fabrication -- YES. MMA applied in pressure pipes welding -- YES. TIG applied in pressure pipes welding -- YES. TIG DC -- 120A/100%/50°C The minimal supply input voltage while working in TIG is 100Vac. The output current while working in TIG at 100Vac is -- 110A. Maximum supply input voltage -- 275Vac. Maximum stand by voltage -- 300Vac. Suitable for work on generator -- YES. Minimal generator for TIG welding -- 6kVA. Minimal generator for MMA welding -- 8kVA. Welding of aluminum car tyre rims -- YES (120A-250A). (AC/DC MODEL ONLY) Welding of tow trucks sides -- up to 10mm - 250A/AC. Welding of aluminum ship sides -- up to 10mm - 250A/AC. (AC/DC ONLY) Welding of aluminum coolants and air condition -- YES. (AC/DC ONLY) Auto body panel welding -- YES. Minimal steel sheet welded -- 0.2mm. Minimal aluminum sheet welded -- 0.2mm. (AC/DC ONLY) Professional welding with cellulosic coated electrodes 3.25mm -- YES. OUR REFERENCES: US STEEL, Serbia GAZPROM, Serbia VAHALI Shipyard, Serbia HOLCIM Cement Industries LAFARGE Cement Industries NESTLE, Serbia WIRTGEN, Serbia CONTI-TECH Fluid AGENA TECHNOLOGY Ministry of the Interior, Serbia Electric Power Industry of Serbia Serbian Railroads Danube Port Authority HIP Petrochemicals Public Parks Belgrade University of Belgrade, Faculty of mechanical engineering Geological Survey of Serbia Mining and Metallurgy Institute of Serbia MINES: REMBAS, RESAVICA KOLUBARA RTB BOR AND SEVERAL THOUSAND OTHER COMPANIES IN THE FIELDS OF: Auto and truck repair workshops Air condition workshops Metal Fabrication Transport/Freight Companies Food Processing Agriculture Quarries Petrol and chemical industry Infrastructure Construction Decorative structures Construction etc... APPLICATION: We guarantee for 100% successful professional applications. DC TIG and AC TIG Car repair: Aluminum coolers, auto air condition and engine parts. The aluminum engine parts and gear cars and SUVs. The aluminum chassis components of cars and SUVs. Aluminum sheet metal parts of the vehicle. Alloy wheels of cars and SUVs Manufacture: Aluminum welding (before anodizing). Aluminum building structures (scaffolding, pallets, carriers). Alloy decorative structures (podiums, ceilings). Alloy artistic structures (podiums, advertising). Aluminum boats and boats with sheet thickness up to 10mm. Aluminum profiles and pipes up to 8mm thick. Butt welding of thin metal sheets, aluminum and steel from 0.2mm. Aluminum and stainless steel constructions in the food industry. Other applications: Pipes of stainless steels - boiler tubes up to 10mm. Agriculture, irrigation, decoration. Profiles and tubes up to 10mm. Reparation of aluminum and steel tools for plastic injection. Reparation of belt and circular saws. Butt welding wires from 0.4mm (Micro Spot). Welding oxidized or anodized aluminum sheets (MIX process). Welding with controlled heat input (DC and AC pulse). Welding AC asymmetrical pulse - extensive cleaning oxide. Pulse DC and AC frequencies up to 1000 Hz - increased depth of penetration. Quick and easy setting of parameters thanks to the Magic Wand ™ option. Durability in harsh conditions. Very high duty cycle - (180A / 60%). Works on generators. A quality TIG welds in a very poor power supply network: (100Vac-275Vac). DC and AC / DC TIG welding with precision increments from 1A. Saving up to 30 welding programs. Cellulosic coated electrodes welding: WALTER 250 AC / DC CELL is designed for welding with all types including cellulosic coated electrodes with maximum current up to 200A or 160A / 100%, and professional welding results are expected if the welder power source is provided with quality power supply (230Vac / + 10% / - 10%) and if quality and dry electrodes are used. WALTER 250 AC / DC CELL is designed for MMA welding in technologically demanding applications. This primarily relates to the welding of boiler, gas and other pressure pipes. If this kind of welding required in your business, the CELL model is WALTER's preferential proposal. During the promotional period, the foot pedal remote control is free of charge. The standard package includes the welding power source, TIG torch air cooled 4m (TBI TIG SR26 2C), electrode holder with cable for MMA welding (3m, 25mm2), earth clamp with cable (3m, 25mm2).
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