SPECIFICATION Input Voltage (V) AC220V Frequency (Hz) 50/60 Rated Input Current (A) 43/28 Output Current Range (A) 10-200 No-Load Voltage 56 Rated Input Voltage (V) 28/18 ARC Force Current Range Duty Cycle (%) 60 No-Load Loss (W) 40 Arcing Way Transfer Efficiency (%) 80 Power Facor 0.73 Housing Protection Grade IP21 Insulation Grade F Net Weight (KG) 9 Dimension (MM) 375×155×232 Product Speciality 1.Applying the inverter technology to reach high working frequency, small dimension and wieght, very convenient for taking around; 2.With the design og HF and pulse hot-start to realize outstanding arc-start. The welding current is powerful enough and the cost performance ratio is high; 3.Having the function of auto-protection against over-voltage and over-current; 4.With spcial design for output features. More suitable for wire-feeding to make welding seam beautiful; 5.Designed for wide range of  input voltage. The high duty-cycle makes the machines very suitable for continuous operation in the factories; 6.Simple in design,wonderful in structure, easy in maintenance, reliable and endurable; 7.Suitable for the welding of stainless steel,carbon steel, copper, etc read more

Technical Parameter   Product Model OB-3500 OB-6000 Core Drill Diameter (MM) 35 60 Rated Voltage (V) 220 220 Rated Frequency (Hz) 50 50 Rated Input Power (W) 1500 1680 No-Load Speed (RPM) 800 470 Max Attraction (N) 14000 15800 Cutting Depth (MM) 30 50 Stroke (MM) 120 210 Packing Size (CM) 58 x 17 x 38 44.5 x 16.5 x 34.5 Net/Gross Weight (KG) 10.25/15 15.2/16.5 read more