Constructions
Conductor: Plain circular, compact or shaped stranded copper conductor
Fire Resistant Layer: Mica Tape
Insulation: XLPE (cross-linked polyethylene) rated at 90 ℃
Filler: PP
Wrapping tape: PP
Sheath: PVC or FR-PVC
Code Designations
WD: Halogen free
ZRC: C-class flame resistant
N:Fire resistance
YJ: XLPE insulation
Y: PE sheath
Applications
Fire Resistant Cables are used in the wiring of the following conditions to maintain circuit integrity in a fire and to ensure maximum safe evacuation of personnel with no detrimental effects like toxic gases or smoke:
l Fire resistant safety circuits
l Public address and emergency voice communication system in high-rise buildings
l Controls and instrumentation services in industrial, commercial and residential complexes
l High-temperature installation conditions
Standards
Product Standard: GB/ T 12706
Flame Retardant: GB/T 18380 Cat A, B & C
Environmental Performance: Halogen Free as per GB/T 17650, Smoke Density as per GB/T 17651
Characteristics
Rated Voltage: 0.6 / 1 kV
Testing Voltage: 3.5kV/5min
Maximum Conductor Temperature: under normal (90℃), emergency (130℃) or short circuit no more than 5 s (250℃) conditions.
Min. Ambient Temp. 0℃, after installation and only when cable is in a fixed position
Min. Bending Radius: 20 x cable O.D for single core
15 x cable O.D for multi core
