LY11 series signal surge  protection  device  is  RS232,RS485/422,wired  remote sensing,telemetering sensing,telemetering,remote control equIpment etc. There has 9pins and 25pins interface .Supply.line-line,line-ground surge protection . Easy install,no need maintenance,fast response, could fully protect the equipment.1.Accurate protection to communication line. 2.Quick response, low clamping voltage. 3.Transmission characteristic: 1Mbps. 4.Low insertion loss.

Model	LY11
Rated operating voltage	9V
Max continuous operating voltage	15V
Rated load current	500mA
Flow withstand capacity	1KV&0.5KA
Clamping voltage ×- × (1.2/50)	60V
Transmission rate	1Mbps
Insertion loss	≤0.2dB
lnterface type	DB9	DB25
Protection circuit	9-pin	25-pin
Protection grade	IP20