485 signal surge protection device

RS485/422
Application range
RS-485/422 signal lightning protection devices are applicable to the lightning protection of control signal and twisted data pair, which can prevent various dialing equipments frompermanent damage or transient interruption arising frominductive overvoltage, overcurrent and the other transient surge voltage caused by lightning or industrial noise, etc.
Main features.
Aluminum profile shell, attractive and durable good shielding effect. Wiring terminal earthing convenient to use,reliable connection.
Introducing multilayer protection circuit, selecting the latest high--speed surge protection device of quick response, low output residual
voltage and super transmission performance.
Main technical data
Type
Technical parameter RS485/422
Working voltage Un 12V
Max. continuous Voltage Uc 18V
Norminal discharge current In 5kA(8/20μs)
Clamping voltage Up ≤60V
Response time Ta line to line ≤1 ns
line to earth ≤100 ns
Transmission rate Vs(bit/s) 2M
Insertion loss Ae ≤0.3dB
Enclosure material aluminum profile
Interface form wiring terminal
Working temperature -40℃-70℃
Installment specification
1. The protector connected in serial between the signal channel and the protected device
2 Connect the input terminal to the signal channel, and the output terminal to the protected device, reverse connection prohibited
3 Connect the earthing wire of the protector to the equalizing ring of the lightning protection system
4. Invalid system the earthing short circuit or open circuit