LAYX 220-3 3 in 1 surge protective device series, connected with  power line, video signal line and control signal line before the protected equipment, are suitable to video monitoring systems for protection from surge, over voltage and electrostatic induced from lightning stroke or from the internal systems with the following features.
 
- Multiple stage protection configuration with high current discharge ability and low  protection voltage
- High quality components ensure the fast response and reliable performance
- Interface of the surge protective device match to the equipment interface for easy connection,
- Design for customer defined engineering interface and equipment ensures the best structure, easy installation and maintenance free;
- Protection circuits for over current and overheating ensures reliability, safety and flame-retardant property.