Three-phase overvoltage protection device, has electrode layer arranged on ceramic body, other ceramic body arranged on another layer of former body, third body arranged on third layer, and fourth layer arranged on latter body side

摘要

The device has an electrode layer (20) arranged on a surface of a zinc oxide-ceramic body (10), and a ceramic body (40) arranged on an electrode layer (30) on another surface of the former body. An electrode layer (50) is arranged on a surface of the latter body, and a ceramic body (60) is arranged on the layer (30) and at a side of the latter body. An electrode layer (70) is arranged on another side of the latter body. Each electrode layer includes a respective electrode with a connector.