1. WDZBN-YJY cable product introduction:

W halogen-free, D low smoke, ZB flame retardant B grade, N fire-resistant, YJ cross-linked polyethylene insulation, Y polyolefin sheath. The full name is copper core cross-linked polyethylene insulated low smoke, halogen-free flame retardant polyolefin sheath flame retardant B-grade fire retardant cable

Rated voltage: 0.6/1KV

Number of cores: single core, two cores, three cores, four cores, five cores, 3+1 cores, 3+2 cores, 4+1 cores

Packaging: Starting from 50 meters, rice can be cut according to customer requirements;

2. Scope of application:

Low-smoke, halogen-free flame-retardant and fire-resistant cables are suitable for power plants, chemicals, tunnels, stations, high-rise buildings and other important parts of fire protection systems, especially for emergency power supply lines and indoor fire-fighting equipment. Emergency power supply and fire start-up emergency signal equipment. Lines, power supply lines from emergency power to signal lights, and power supply lines from emergency power to ventilation and smoke exhaust equipment, etc.

III. Implementation standards:

The flame-retardant and fire-resistant low-smoke halogen-free cable standard is formulated in accordance with GB/T5023-2008.GB/Tl2706-2008 and other standards, and its fire-resistant characteristics meet the requirements of GB/Tl9666. The gas content and smoke density tests during the cable combustion comply with the provisions of GB/T17650.2-98 and GB/T17651.2-98. The flue gas complies with the requirements of GBl32 quasi-safety level.

4. Use characteristics of WDZAN-YJY low smoke, halogen-free flame-retardant and fire-resistant cable

1. The long-term working temperature of the conductor is 70℃ and 90℃

2. The cable can maintain normal operation for more than 1.5 hours under flame conditions of 750-850℃. It is Class B fire resistance. The cable can maintain normal operation for more than 1.5 hours under flame conditions of 950-1000℃, making it Class A fire resistant.

3. The gas content and smoke density test results comply with the provisions of GB/T17650.2-98 and GB/T17651.2-98

5. Flame retardant and refractory model representation: