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Plastic fireproof cables
Plastic fireproof cables with the rated voltage of 0.6/1kV and below
I. Product introduction
The product is suitable under the fire burning conditions, can fit fixed laying occasions
which can continue a certain uptime.
II. Implementation standard
GA 306 .2-2001 plastic insulated fireproof cable with the rated voltage of 0.6/1kV and
below.
III. Usage characteristics
1.The maximum PVC insulation working temperature of cable conductor is 70℃, XLPE insulation is 90℃.
2. While short circuit (the longest time does not exceed 5S) the maximum PVC insulation
temperature of cable conductor does not exceed 160℃; XLPE insulation is 250℃.
3. The ambient temperature when laying cables shall not below 0℃, its minimum bending
diameter is 2 times the cylinder diameter used for cable bending test.
IV. Products model and name
|
Model |
Name |
|
NH-B-VV |
Copper core PLV insulated and B-class sheath bundle flame-retardant type fireproof power cables |
|
NH-B-VV22 |
Copper core PLV insulated and sheathed B-class bundle flame-retardant type fireproof power cables |
|
NH-B-YJV |
Copper core cross-linked PLV insulated and B-class sheath bundle flame-retardant type fireproof power cables |
|
NH-B-YJV22 |
Copper core cross-linked PLV insulated and sheathed B-class bundle flame-retardant type fireproof power cables |
|
NH-B-BV |
Single-core hard conductor non-sheath fireproof cables |
|
NH-B-RV |
Single-core soft conductor non-sheath fireproof cables |
V. Products usage
|
type Model |
Rated voltage |
Core quantity |
Conductor section （mm2） | ||
|
NH-B-VV |
0.6/1kV |
1 |
1.5-185 | ||
|
1 |
1.5-500 | ||||
|
3 |
1.5-240 | ||||
|
NH-B-VV22 |
1 |
10-300 | |||
|
2 |
4-185 | ||||
|
3 |
4-240 | ||||
|
NH-B-YJV |
3 |
1.5-300 | |||
|
NH-B-YJV22 |
3 |
4-300 | |||
|
NH-B-VVNH-B-VV22 |
3+1 |
4-240 | |||
|
4 |
3+2 |
4+1 |
4-185 | ||
|
5 |
2.5-185 | ||||
|
NH-B-BV |
450/750V |
1 |
1.5-400 | ||
|
NH-B-BV |
450/750V |
1 |
1.5-240 | ||
CHINESE STANDARD WIRES AND CABLE
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