The Ditek DTK-2LVLPLV is a signal, data and loop circuit surge protector that provides strong protection in a compact hard wire package. Applications include protection of 4-20mA current loops, alarm panel NAC, SLC and IDC loops, and burglar alarm panels. The DTK-2LVLPLV protects 2 communication pairs and can handle #22-#16 AWG wiring connections. Also known as -Ditek SURGE DBL CKT DATA BLOCK 27V - DK-2LVLP