Substation-type-specific over-voltage suppression poly excellent cabinet ETY 
 - Power distribution cabinet together excellent 
 (A), ETY role 
 This is a new type of system over-voltage suppression devices, installed in power distribution station system used to optimize the system curve over-voltage protection, power distribution station to supplement the existing system over-voltage-only solutions, while addressing the PT and the PT fuses in the resonant case of corruption problems, the use of proprietary electric day "hanging instantaneous recovery" and "gather excellent" design and production of the two technologies, you can replace the PT cabinet, with PT function, both made of a fixed cabinet, can also be made Wooden Style.