Sinictec - Others - DND3 Mobile Single Side Spot Welder
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DND3 Mobile Single Side Spot Welder

  • It is for single point, manual spot welding, made up of gun and clamp through welding structure formed by welding circuit, achieving the purpose of spot welding. Cooperating with the micro-computer controller, it can ensure the stable welding current.
  • The welding machines can be installed on the cart, which could be movable. And it can also hanged like DN3 series welding machine for moving freely. During the welding, the workpieces are static, while the welding gun is movable. It is safe and reliable and flexible, which can achieve all-round welding requirements completely.
  • The welding machine can be used in the automobile welding, especially for welding the bus skin and the structure, and the sheet welding such as metal box, door or casement.


Model DND3-160 DND3-200
Rated Power(KVA) 160 200
Rated Input Current(A) 400 475
Rated Duty Cycle(%) 50 50
Rated Input Voltage(V) 380 380
Power Supply Frequency(HZ) 50/60 50/60
Secondary Unload Voltage(V) 21.7-19 24.5-21.7
Max Welding Ability(MM) 1.0+ structure 1.5+structure
Max Output Current(A) 14800 16200
Insulating Grade F F
Cooling Water Consumption 2.5bar(L/min) 14 16
Pressure Of Cooling Water(Mpa) 0.15-0.3 0.15-0.3
Pressure Of Compressed Air(Mpa) 0.5-0.6 0.5-0.6
Insulating Resistance 500VDC=500M 500VDC=500M
Diele Ctric Intensity 2500V,60S(primary-secondary)
Weight(KG) 220 240
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