乐发500 ????:

??????:

乐发500 ????????:VV,VY,VV22,VV23,VV32,VV33,VV62,VV63,VV72,VV73

乐发500 ?????????:YJV,YJY,YJV22,YJV23,YJV32,YJV33,YJV62,YJV63,YJV72,YJV73

? ?:2.5-630mm2

乐发500 ??:Z-,N-,ZN-,WDZ-,WDZN-(??????:ZA,ZB,ZC)

????????:

乐发500 T:???,?? Copper conductor

L:??? Aluminum conductor

V:?????? PVC insulation

YJ:??????? XLPE insulation

乐发500 Y?(3):????????? PE sheath

V?(2):?????? PVC sheath

????:

乐发500 2:????? Double tape armoured

3:?????? Fine steel wire armoured

乐发500 4:??????  Thick steel wire armoured

6:???????? Non-magnetic metallic belt armoured

乐发500 7:???????? Non-magnetic metallic wire armoured

R:??? Soft structure

Z:?? Flame retardant

N:?? Fire-resistant

乐发500 W:?? Halogen free

乐发500 D:?? Low smoke

??:

????,??????,?????

????:

???????8.7/15kV?????????????????????

????:

乐发500 GB/T 12706?GB/T 19666

乐发500 ????:

??:?????????*???

乐发500 ??:??????PVC????XLPE????

??:?????PVC????PE????

????:

1?????:U?/ U?8.7/15kV;

乐发500 2?????:????;????????0?;

3?????????????????:???90?;

4????(????????5s)????????:???250?;

乐发500 5????????: