Fire-Proof Wire and Cable Serial Products
Product Standard
Enterprise standard, this standard is equivalent to GB/T 19666-2005.
Fire proof power cable is suitable for use in all places using rated AC voltage 1-10 KV plastic insulated power cable, 450/750 V plastic insulated control cable, 450/750 V and below electrical equipment wire and cable , particularly high temperature , inflammable and fire. Proof for transmitting and distributing power , control , alarm and fire – control system and other circuits
Property for Use
a. According to different product kinds , rated voltage can be divided into the following :
α. 0.6/1 – 8.7/10 KV β. 450/750 KV γ. 300/500 V δ. 300/300 V
b. Allowed work temperature of cable for a long period is divided into the following according to different kinds of products :
70℃、90℃、10
c. For short circuit(5s) , the allowed max.work temperature of conductor does not exceed 160℃ and 250℃( for a-α).
d. Environmental temperature for laying cable should be not less than 0℃.
f. Allowed min. Bend radius of cable should be according to different kinds of the following products : 6 times 、10 times、12 times and 15 times of cable overall diameter .