Isolating switch contact parts overheat in operation is what causes it? A: The isolation switch in the operation of thermal isolation switch is mainly overloaded contact resistance increases, the operation did not completely closed due. Buy disconnectors Huayi Electric Power is your best choice! Welcome to inquire buy! Thank you for your attention. Institutional issues. Institutional issues showed malfunctioning Xiangfan isolation switch, such as tripping or sub-switch is not in place, tend to occur in switching operation, the safe operation of the system. Because institutions or corroded water box seal is not good cause severe corrosion mechanism, lubricate dry Huzhou isolation switch, operating resistance increases, the difficulty of the operation at the same time, will occur damaged parts, such as the transmission gear broken, twisted, etc. link. Transmission difficulties. Transmission disconnectors corrosion caused by transmission resistance, even rejecting Resist, as there have been in operation base bearing rust, inoperable cases, this is due to the spindle drive components dry copper sleeve, bearing dirt, grease resulting dry. Heze isolation switch, isolation switch, the power provided by the Xi'an Huayi Huayi power plant. Xian Huayi power plant (www.xahy.com) strong, credible, in Xi'an high-voltage circuit breakers and other industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Huayi power and you hand into the brilliant, for a better future!