DJX supplies all kinds of graphite plate for surge protection device SPD, we offer customerization services, the shape, diameter and thickness is according to your requirements. Now we provide graphite plate for the most famous surge protection device manufacturers in China. 

The gap surge protector with graphite plate is based on the disadvantage of traditional gap surge protector(SPD), and combined with the material characteristics of graphite and Thompson gas discharge theory, a large scale of experiments on the new type of graphite gap SPD were completed by open circuit voltage wave generator and ICGS impact system. The results show that, after the high voltage trigger capacitance device was added to the new type of graphite gap SPD, every gap was triggered step by step so that the voltage protection level was reduced. At the same time, the graphite gap SPD is better than traditional gap SPD on time delay characteristics, and is able to achieve the arc extinction requirements before the power frequency voltage dropped to zero. In addition, graphite belongs to non-metal materials, it won't produce plasma under high temperature, which can improve the stability of device and delay aging.