LDY-485/L signal surge protective devices are applied to the surge protection of control signal and twisted data pair, which can prevent various dialing equipments from permanent damage or transient interruption arising from inductive overvoltage, overcurrent and the other transient surge voltage caused by surge or industrial noise, etc.
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:
Nominal operating voltage Un
Max. continuous operating voltage Uc
Nominal discharge current In (8/20μs)
Voltage protection level Up
Response time tA
line to line
line to earth
≤ 100 ns
Transmission rate Vs (bit/s)
Insertion loss Ae
≤ 0.3 dB
The protector connected in serial between the signal channel and the protected device.
Connect the input terminal to the signal channel, and the output terminal to the protected device, reverse connection prohibited.
Connect the earthing wire of the protector to the equalizing ring of the lightning protection system.
Invalid system: the earthing short circuit or open circuit.