Bourns 5-Pin Multi-Stage Protector (MSP is the latest generation telecommunications protector for high performance and long life in overvoltage protection of copper pair voice-band and high-speed data circuits.Bourns MSP combines the advantages of gas tube and solid state protection while integrating three advanced technologies: a proprietary high-effi ciency gas discharge tube,precision matched metal oxide varistors and a patented Switch-Grade Fail-Short mechanism. The Switch-Grade Fail-Short m
