BB-422HESP中文资料RS-422/485 Surge Protector - 3-stage, 5-line数据手册Advantech规格书

描述 Description

Model 422HESP is a three-stage surge protector that protects against lightning strikes, power surges and other types of voltage disturbances with three stages of protection for each line: a gas discharge tube followed by a series resistor and finally a Transient Voltage Suppresser (TVS). The surge protector is housed in a tough metal, panel mount case with a protected signal ground connection and dedicated chassis ground lug.In order to work properly, it is important to have a good connection between the #10 screws and a solid earth ground. Two terminal posts and two metal mounting brackets provide a good ground connection.

特性 Features

·Three stages of protection on every data line: 1)Gas discharge tube,2)Series resistor,3)Transient voltage suppressor

·Protected signal ground connection

·Rugged terminal block connections

·Dedicated chassis ground lug