Product Name: Top Quality Spot Welding Machine (DN-25) Model NO.: DN-25 Type: Spot Welders Welding Spot Number: Single Conductive Way: Both-Sided Transmission: Motor - Cam Electric Current: Secondary Rectification Electrode Stroke: Vertical Style: Fixed Cooling Way: Water Cooling Control: Semi-Automatic Duty Cycle: 60% Current: Alternating Current Application: Ship Model: TIG Trademark: SANYU, SHSY Transport Package: Wooden Case Specification: CE, ISO, SGS, CCC Origin: Shanghai, China HS Code: 891230 Product Description Spot Welding Machine, Spot Welder, Spot Welding Equipment DN-35A1. It adopts lever pressurization or pedal control. Lever pressurization can make electrode move vertically.2. Upper and lower electrodes can be adjusted inclinedly and its electrode arms can make forward and backward movement.3. It adopts automatic control integrated circuit of precision numerical control electron for precise control of welding time.4. It is based on spot welding of low carbon steel, stainless steel and its pressing.5. Applicable to household electric appliance; Suitable for medium and small enterprises' sheet metal processing.ModelDN(T)-25DN(T)-35DN(T)-40DN(T)-63Rated primary voltage frequency380V/50HZ380V/50HZ380V/50HZ380V/50HZMaximum input current(A) 98 138 145 160Cyclic duration factor 100%(KVA) 9.7 13.5 15.2 24.2Cyclic duration factor 15%(KVA) 25 35 40 63Secondary voltage U2(V) 1.7-3.5 1.7-3.5 1.7-3.8 1.7-4Secondary maximum short circuit current I2 (KA) 7.2 10.2 10.6 25.2Throat gap e(mm) 250 250 250 250Arm extension (mm) 350 350 350 380Maximum electrode press 5100 5100 5100 6100Stroke of electrode 50 50 50 50Rated flow of cooling water 4.1 4.1 4.1 4.5Maximum welding thickness (Board, mm) 2.5+2.5 3+33.5+3.5 4+4Maximum welding thickness (Round steel, mm) 8+8 10+10 10+10 12+12Insulation Class B B B BWeight(kg) 200 230 240 310