Bourns® Model 455HS Multi-Stage Protector (MSP®) is a new generation telecommunications station protector designed to bethe best all around choice for protecting copper pair voice-band and high-speed data circuits. Combining the strengths of GasDischarge Tube (GDT) and solid state overvoltage protection, the Model 455HS MSP® integrates three advanced technologies:our proprietary advanced GDT, precision matched metal oxide varistors (MOV), and a patented Switch-Grade Fail-Shortmechanism. The 2377 series offer superior service life, far exceeding Telcordia standards.
Bourns® 2377-45 can be used universally for POTS and high speed data, e.g. ISDN, ADSL, ADSL2+, VDSL, VDSL2, other xDSLprotocols and high speed Ethernet. Bourns® MSP® technology provides unparalleled overvoltage protection with low loss on pairedcopper communications circuits. The Model 455 is the most economical, reliable and effective choice to protect paired coppercommunications circuits. The IDC version, with environmental sealant, provides additional ease of installation and protection againstcorrosion.