LY21- 1 series signal  lightning  protective device  is connected  in series  in front of the  protected equipment,it  is  mainly  used for overvoltage  protection  intruded through a variety of audio signal lines into the device,such as SPC exchange, fax equipment,MODEM,emergency phones, relay lines and so on.1.Large tolerance to through-current, it adopts multi-level protection. 2.Fast response and low limit voltage. 3.Low insertion loss. 4.Many types of protective rated voltage for option.

Model	LY10
Rated operating voltage	45V	130V	170V
Max continuous operating voltage	60V	150V	185V
Rated load current	500mA
Flow withstand capacity	5KV&2.5KA
Clamping voltage x- ×(1.2/50)	160V/240V/300V
Transmission rate	2Mbps
Insertion loss	≤0.2dB
lnterface type	RJ11
Protection grade	IP20