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NH-VV fire resistant power cable
Fire resistant power cable NH-VV product features and use: This product has high fireproof performance, under the condition of direct burning flame, short circuit and short circuit fault, in a certain period of time so that at the time of the fire, to reduce the loss, low smoke halogen-free cable cable belongs to environmental protection, especially suitable for fire protection requirements high power, large buildings, railways, shipbuilding and other industries.
Product implementation standard
Q/HHTZH009.2
Refractory characteristics meet GB12666.6-90 requirements (IEC331)
1 AC rated voltage: 0.6/1KV U0/U
2 maximum long-term working temperature: flame retardant PVC insulation and sheath 70 and 105
Fluorine plastics insulated and sheathed 200 and 260
Cross linked polyethylene insulation 90
Low smoke halogen free flame retardant polyolefin 70
Low smoke halogen free flame retardant crosslinked polyolefin 90 and 120
3 minimum ambient temperature: flame retardant PVC sheath: fixed -40
Fluorine plastic insulation and sheath: fixed laying -60 C; non fixed laying -20
4 fire resistance characteristics:
| Comply with IEC331 regulations | The flame temperature is 750 degrees C, the combustion time is 3h, the cooling time is 12h, the additional rated voltage, the additional 3A current |
| GB12666.6- class A | Flame temperature 950-1000 C, combustion time 90min, additional rated voltage 3A current |
| Conform to GB12666.6-B class | Flame temperature 750-800 C, combustion time 90min, additional rated voltage 3A current |
5 cable installation temperature is not less than 0
6 laying recommended bending radius: not less than 6 times of non armored cable cable diameter
Armored cable is not less than 12 times of the cable diameter
Fluorine plastic insulated and sheathed cable is not less than 8 times the diameter of the cable.
Fire resistant power cable
| Model | Product name |
| NH-VV | Flame retardant PVC insulated and sheathed fire resistant control cable |
| NH-FF | Fluorine plastic insulated and sheathed fire resistant control cable |
| NH-VDVD | Low smoke and low halogen flame retardant polyvinyl chloride insulated and sheathed fire resistant control cable |
| NH-YDYD | Low smoke halogen free flame retardant polyolefin insulated and sheathed fire resistant control cable |
| Note: the models with the 22 armoured cable | |
