Cable for signalling and interlocking, with water-blocking elements, not spreading combustion, in sheath or protective hose

Cable for signalling and interlocking with conductive cores from copper wire with diameter 0,9; 1,0, number of cores from 3 to 61 and number of pairs from 3 to 30 with insulation from polymer composition, not containing halogens, with VB elements, with screen from alumoflex with belt insulation from PET-E film; with protective cover consisting of 2 galvanised steel tapes with internal insulation and protective hose made of halogen-free polymer composition. The cables are designed for electrical installations of signalling, centralisation and interlocking, fire alarm and automation