PTG PA series, metal-oxide surge arresters without gaps for mid-voltage a.c. systems, is designed in accordance with IEC 60099-4 and GB 11032-2010 standards, with high-performance varistor, new material seal coat and innovative inner cavity structure. 

It is suitable for 3-35 kV medium voltage system in power station, cable transmission, generator, power distribution, parallel compensation capacitor and other occasions. 

At the same time, the high-performance, maintenance free disconnector and special mounting bracket ensure that the installation and use of the arrester is more simple and reliable.

Installation diagram of arrester, disconnector, mounting bracket and grounding: