Max. number of fibers Outer Ø Weight Fire load mm kg/km MJ/m Acc. to IEC 60 331-11, IEC 60 331-25 and EN 50200 90 min System integrity for at least 90 minutes in the event of fire FiberConnect® U-D(ZN)BH n…2500 N 39 FiberConnect ® FiberTech ® Rodent-protected universal cable with central loose tube (2500 N) and system integrity in the event of fire Outer jacket Central loose tube, gel-filled Ripcord Inner fire protection tape Strain relief and rodent protection Outdoor Cables