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1 Implementation standard

This product is designed and manufactured in accordance with GB/T 9330-2020 plastic insulated control cable.

Flame-retardant, halogen-free low-smoke, fire-resistant series control cables are designed and manufactured according to GB/T 9330-2020 plastic insulated control cables and GB/T 19666-2019 general rules for flame-retardant and fire-resistant wires and cables.

2 Use

This product is suitable for metallurgical, electric power, petrochemical and other industrial and mining enterprises in the AC rated voltage (U0/U) 450/750V and the following electrical instruments, power distribution devices, control, monitoring circuits and protection lines and other occasions.

3 Model and name

Cable type and name

Note: Halogen-free low-smoke, flame retardant, fire-resistant series of products are characterized by the prefix code WD, ZA, ZB, ZC, N.

4 Use characteristics

4.1 Rated voltage U0/U 450/750V.

4.2 The highest long-term allowable working temperature of the conductor: polyethylene insulated cable is 70℃; cross-linked polyethylene insulated cable is 90℃.

4.3 The ambient temperature at the time of laying shall not be lower than 0℃, and shall be preheated first when it is lower than 0℃.

4.4 Recommended allowable bending radius of the cable: cable with armor or copper tape wrapped shielding structure should be not less than 12 times the outer diameter of the cable, the rest of the structure of the cable should be not less than 6 times the outer diameter of the cable.

4.5 Flame-retardant characteristics.

Flame-retardant cables can withstand the bundle burning test specified in GB/T 19666-2019.

Halogen-free low smoke flame retardant cable can withstand the GB/T 19666-2019 bundle combustion test, burning minimum light transmission ≥ 60%, conductivity weighted value ≤ 10μs/mm.
Flame-resistant cable can withstand GB/T 19666-2019 bundle burning test, the supply fire temperature is 750℃, the supply fire + cooling time is 90+15min, 2A fuse is not stopping under rated voltage, and the indicator light is not out.