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0.6/1kV flame retardant B1 class power cable

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0.6/1kV flame retardant B1 class power cable is applies for densely populated places, transmission and distribution lines, power transmission

Application

This product is suitable for ac rated voltage 0.6/1kV and below in densely populated places, transmission and distribution lines, power transmission, with high flame retardant,low smoke, halogen-free and other characteristics, large load flow, excellent anti-aging performance, long service life, this product has been widely used in metallurgy, electric power, petrochemical, large construction, automobile manufacturing and other industries.

Executive Standard

Q/WHY 92、GB/T 31247-2014

Service Property

1. In continuous operation, the highest operating temperature of the conductor is 90℃, and the laying temperature should not be lower than 0℃.
2. Rated voltage of cable 0.6/1kV.
3. Allowable bending radius: single core cable should not be less than 10 times of the cable diameter, multi core cable should not be less than 15 times of the cable diameter.

Type & Description

Type Description
WDZB1-YJY Copper core crosslinked polyethylene insulated low smoke halogen-free polyolefin sheathed flame retardant class 1 power cable
WDZB1-YJY23 Copper core crosslinked polyethylene insulated galvanized steel tape armored low smoke halogen-free polyolefin sheathed flame retardant class 1 power cable
WDZB1-YJY33 Copper core crosslinked polyethylene insulated galvanized steel wire armored low smoke halogen-free polyolefin sheathed flame retardant class 1 power cable

Code & Meaning

Item Code Description
Series of codes / Omitted
Burning characteristics B1 Flame retardant class 1 cable
N Cabinet
WD Low smoke
Z Single flame retardant
Conductor / Copper conductor (omitted)
L Aluminum conductor
LH Aluminum alloy conductor
R Soft structure
Insulation YJ Crosslinked polyethylene insulation
Sheath and inner sheath Y Low smoke halogen-free polyolefin sheath
Armor 2 Double steel tape armor
3 Fine steel armor
4 Thick steel armor
6 Non-magnetic metal tape armor
7 Non-magnetic metal wire armor
Outer Sheath 3 Low smoke halogen-free polyolefin sheath

Main Technical Indicators

1. DC resistance of conductor at 20℃ shall conform to GB/T3956-2008.
2. The power-frequency AC voltage test is 3.5kV/5min without breakdown.
3. The highest operating temperature of the conductor is 90℃.

Combustion performance index

Project Index
Flame spread FS≤1.5m
Peak heat release rate HRR (peak)≤30kW
Total heat release within 1200s by fire THR1200≤15MJ
Combustion rate exponential FIGRA≤150W/s
Peak smoke rate SPR(peak)≤0.25㎡/s
Total amount of smoke produced within 1200s by fire TSP1200≤50MJ
Smoke density(minimum transmittance) It≥60%
Vertical flame spread H≤425mm
No combustion drips/particles within 1200s No burning drips/particles
Smoke toxicity ZA2
Electrical conductivity ≤2.5 μ s/mm
PH ≥4.3

Cable Structure drawing

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