DTK-TSS1 SKU DTK-TSS1-1569 Protects 120VAC Power and 10 Pairs of SLC/ IDC/NAC Circuits - (1) 120SRD, (1) 2MHLPTM, (1) 5MB. Housed in locking UL Listed gray metal enclosure. Expandable to 10 pairs (5 modules). (DTK-2MHLPXXB modules purchased separately) Please log in to see price or purchase this item Request an account Line Comment Special Price