Featuring line-to-line and line-to-ground protection, ISD-1000 Data Line Surge Protectors guard data and hardware from harmful transient energies resulting from switching of nearby equipment. Models ISD-1110-T (RS-232) and ISD-1130-T (RS-422/485) are in-line units that provide 4 kV of surge protection for general purpose applications, while Models ISD-1210-T (RS-232) and ISD-1230-T, providing 20 kV of surge protection, are DIN-rail or panel mount models designed for industrial use.
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