high frequencypacking machine main feature: 1. NL-5557 anti-spark vacuum tube protection device; 2. With square turnplate in 360 degree rotation; 3. Usage: this high frequency welding machine is suitable for shrink plastic packing in single and double faces such as toys, hardware, tools, electronics, electronics and small electric appliances; 4. Parameters: model: WS-4000A WS-5000A WS-8000A power output: 4000W 5000W 8000W Voltage:50/60HZ AC380V 3P Power Input: 7KVA 9KVA 15KVA Rectifie:SILICON RECTIFIER Oscillation Tube:7T84RB 7T85RB/E3185 7T69RB Anti-spark tube:NL-5557 Pressure way: air-pressure Gap of electrode:250mm 250mm 250mm Dimension of Upper Board:200*300mm 200*350mm 400*600mm Dimension of Lower Board:400*600mm 400*600mm 600*800mm Overall Dimension:660*1350*1730mm 660*1350*1730mm 1000*1800*2500mm Net Weight:400KG 400KG 500KG