Products standard
Low smoke halogen-free polyolefin cable, suitable for AC rated voltage 0.6/1kv and below the power line power supply and use. Enterprise standard, GB/T19666-2005, GB/T12706 1-2002
Model and name
|
Model |
Name |
Executive standard |
Use |
|
DWZ-YJ(F)E |
( irradiated) XLPE insulated low-smoke halogen-free polyolefin sheath flame retardant power cable |
Enterprise standard
GB/T19666-2005
GB/T12706 1-2002
|
For a high flame retardancy requirements related to cable fire cable release smoke less, gas corrosion low power distribution line. |
|
DWZN-YJ(F)E
|
( irradiated) XLPE insulated low-smoke halogen-free polyolefin sheathed flame-retardant power cable
|
For a high flame retardant and fire cable in cable release smoke less, gas corrosion performance is low, able to bear external mechanical forces in the transmission and distribution line. |
|
DWZN-YJ(F)E
|
Refractory copper core ( irradiated) XLPE insulated low-smoke halogen-free polyolefin sheathed power cable
|
For fire retardant and fire cable in cable release smoke less, gas corrosion low indoor, tunnel, retaining bracket for transmission and distribution circuit. |
|
DWZN-YJ(F)E23
|
Refractory copper core ( irradiated) XLPE insulated low-smoke halogen-free polyolefin sheath steel tape armoured power cable |
For fire retardant and fire cable in cable release smoke less, gas corrosion low trench laying, able to bear external mechanical power transmission line. |
Requirements for the use of
In 1, the rated voltage of cable 0 6/1 kv.
In 2, the highest rated cable conductor temperature of 90℃.
In 3, when short circuit of F’s long time not more than 5S), the conductor of the cable temperature not exceeding 250 degrees celsius.
4, laying, the ambient temperature should not be lower than 0 DEG c.. Dichotoma minimum bending radius should not be less than 12 times of the cable diameter.
Product naming rules
Low smoke halogen-free indicated by "DW", " low ", namely with " no " Chinese characters first phonetic letters; flame retardant is indicated by "ZR", namely " resistance ", " respectively. " Chinese characters first phonetic letters; refractory type is indicated by "N", namely " resistance" Chinese characters first phonetic letters.
Product code model, rated voltage, specifications and standards:
Cases of:a, copper core ( irradiated) XLPE insulated low-smoke halogen-free polyolefin sheathed flame-retardant cables, fixed laying, rated voltage 0.6/1 kV, 3, 95mm2 core, expressed as: DWZ-YJ ( F ) E-0.6/lkV-3 × 95
Main performance
1, low smoke and halogen free flame retardant cable should be through GB12666.5 " bunched cable combustion test methods specified in ". Low smoke and halogen free flame retardant cable combustion smoke density should be through GB12666.7 " wire and cable combustion smoke density test method " regulation. The transmittance of >70%. Low smoke and halogen free flame retardant cable combustion gas corrosion reached IEC754-2 " by measuring PH caddie and conductivity measurements of gas acidity method " PH ≥ 43, -10us/mm and IEC754-1 conductivity " halogen gas - Determination of hydrogen chloride gas content ≤50mg/g ".
In 2, fire resistant low smoke halogen-free cable ( soft ) should be able to pass GB12666.6 " wire and cable refractory properties test method " regulation. Its flame retardant properties through GB12666.5 " bunched cable combustion test method " in regulation, combustion smoke density ( transmittance) reached GB12666.7-90 standard low smoke, combustion gas corrosion reached IEC754-2 " by measuring pH and conductivity measurements of gas acidity method " PH ≥ 43, IEC754-1≤ lOus/mm and conductivity " halogen gas content "
Hydrogen chloride gas content <50mg/g.
3, 20 ℃finished cable conductor, cable length 1m, nominal cross section Imm²copper core wire core should be less than 0.0184Ω.
In 4, the finished cable shall be capable of withstanding voltage test 3 5kv/5min breakdown.
Cable reference data
Finished cable structure cable technical data sheet 1, 2, 3, 4.
Cable specifications in the following table
|
Model |
Core number |
Section mm² |
|
WDZ-YJ(F)E
WDZN-YJ(F)E |
1 |
1.5－800 |
|
2 |
2.5－300 |
|
3 |
2.5－300 |
|
4、 5、 4+1、3+2 |
4－240 |
|
WDZ-YJ(F)E23
WDZN-YJ(F)E23 |
2 |
1.5－300 |
|
3 |
2.5－300 |
|
4、3+1 |
4－240 |
|
5 |
4－240 |
|
