Implementation standards
This enterprise standard is formulated with reference to /etc. standards, and its fire resistance characteristics meet the requirements of /category. When the cable is burned, the toxic gas content and smoke density test meet the specified gas toxicity and meet the requirements of quasi-safety level.
Scope of application
This product is suitable for fire protection systems in key parts of power plants, tunnels, station buildings and other key parts. It is especially suitable for emergency power supply and power supply lines for indoor firefighting equipment. Emergency power supply and fire alarm equipment power supply lines. , the power supply line from the emergency power supply to the signal light and the power supply line from the emergency power supply to the ventilation and smoke exhaust equipment, etc.
Usage characteristics
The long-term operating temperature of the conductor is ℃℃
The cable maintains normal operation under flame conditions of ℃ Above grade fire resistance. If the cable can maintain normal operation under ℃ flame conditions and above, it is classified as grade 1 fire-resistant.
The test results of toxic gas content and smoke density meet the
Smoke toxicity meets the requirements of quasi-safety level.
Model and name
Low smoke halogen-free cross-linked polyolefin insulated fire-resistant wire
Low-smoke halogen-free cross-linked polyolefin insulated and sheathed fire-resistant wire
Low smoke halogen-free cross-linked Polyolefin insulated fire-resistant power cable
WDNH(A)-BY(J) low smoke halogen-free cross-linked polyolefin insulated fire-resistant wire