Diversified Technology Group - Ditek DTK-2MHLP24BWB Surge Suppressor DITEK's 2MHLP series of signal, data and poop circuit surge protectors provide robust protection in a compact package. Designed for ease of installation, with convenient field-replaceable modules, the 2MLHP protects two circuit pairs per module. Applications include protection of 4-20mA current loops, alarm panel NAC, SLC and IDC loops, and burglar alarm panels. The DTK-2MHLP is suitable for use on AC and DC circuits.