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Feature:

1. When the sparks, the machine is equipped with special electronic circuit can automatically cut off the high frequency suppression of sparks, loss of electrodes and materials to a mininum, while warning lights are illuminated warning. 
2. With frequency stability and high  frequency magnetic leakage suppressor, this device can exempt radio wave leakage interference with other electronic devices, such as television. 
3. When the current exceeds the limit value, the overload current relay automatic protection oscillating tube and rectifier, the frequency drift and will avoid improper operation caused. 
4. Excellent design and structure, this machine has high precision and intensity. 

Main Parameters:

Model No	JN-4000/8000D
Power	380V
Greatest Pressure	400KG/800 Kg
Weight	350KG
Voltage	380V
Packaging size	1830*1900*1500 mm