AD-485 communicational signal surge protective series designed according to the standard of IEC surge protector. This product is standard screw fixing joint mode interface. It could protect 1-2 group circuit multiple rated voltage selection.

It is easy to install and maintain.

 It adopts three-level tandem type, nominal discharge current series control signal lightning protective device can reach 5KA when sensitive

communication special line was used. Response time is on the order of picosecond.

It can protect the equipment adopting the newest semiconductor device.