PANASONIC BARRIER UNIT W/FIVE COMPRESSION GLAND - 2842 Features Barrier unit for addressable intrinsically safe fire detectors in hazardous areas Barrier unit connects directly on the loop and is mounted outside Ex area Up to 20 detectors can be connected to each IS barrier unit IP66/67 for outdoor use or in humid Areas Tested and approved according to EN54-18:2005 ATEX certificate: DEKRA 11ATEX0106 CPR: 2831-CPR-F2577