signaling devices from Pfannenberg. Find out more . Download Revit BIM libraries here protection system operating temperatur acoustic penetration Verband der Sachversicherer warranty EN 54-3 certified UL approved [...] Germany - Hoechst -) 31 Sweeping France NF C 48-265 36 Sweeping 45 Sweeping 54 Continuous tone, Finland (all-clear signal) 55 Continuous tone, PFEER gasalarm 57 w. EN54-3 Continuous tone, UK BS 5839-1 [...] tone 127 Alternating tone 128 : EN54-3 Alternating tone 131 Alternating tone, UK BS 5839-1 (fire alarm, railway crossing) 142 Alternating tone 146 Alternating tone, France NFS 32-001 (fire alarm) 1 Die-cast