Product Description
The Model 8021NX is a DIN Rail mounted surge suppressor for 2-wire RS-485
circuits used to protect factory data networks, or, any RS-485 network
that wants to avail itself of the DIN Rail packaging concept. The Model
8021NX provides common-mode (line to ground) surge protection and differential
mode (line to line) protection for balanced networks. All the inputs,
outputs and ground connections are via screw terminals located on the
top surface of the device.