DCYJ-WDZA-125 DCYJZR-3000V DZYJ-WZR-125直流机车电缆厂家

DCYJ-WDZA-125使用特性Properties：
1．产品型号：DZYJ-WZR(A、B)-125(具体规格参见附表)
Model：DZYJ-WZR-125(details see the attached table)
2．额定电压750V．1500V
Rated voltage：750V．1500V。3．标称截面0.5--400mm2
Nominal cross section：0．5-400rnm2
4．导体长期工作温度125℃，短路过载温度可达到250℃(5s)
Long-term working temperature is 125℃．Max．working temperature 0f the conductors in short-circuit is 250℃．(5S)
5．电气性能物理机械性能优异
Good electrical insulation．physical mechanical properties．
6．电缆阻燃性能达到GB／T18380．1-2001中DZ-1法的要求
Flame-residence conforms to DZ-1 of in GBl8380.1-2001
7．低烟无卤特性：(1)导电率≤10μs／mm
(2)满足GB／T1 7651—1 998标准要求．其透光率≥60％
(3)PH值≥4．3
Low smoke non-halogen property：(1)Conductivity≤1 O μs／mm
(2)Density transparence of cable flaming smoke≥60％ conforming
to GB／T17651—1998
(3)PH≥4．3
8．DCYJ-WDZA-125烟气毒性符合GAl32准安全级的要求。
Smoke poisonous conform to GAl32．
地铁隧道专用电缆结构参数表Cable construction