|
9.2.2 Dust-tight luminaires (first characteristic IP numeral 6) are tested in accordance
0 n9 S# b& J- P+ N6 }with 9.2.1.
, `+ ~! v) ~$ `) a5 G q0 ua) no deposit of talcum powder in dust-proof luminaires, such that, if the powder were
0 }+ {' J0 s, p- i2 z$ Kconductive, the insulation would fail to meet the requirements of this standard;
8 D% y9 b( T' h. Q8 G7 [; Q; lb) no deposit of talcum powder inside enclosures for dust-tight luminaires;
/ P6 |7 ^( R- { f8 A1.外壳开孔有粉尘沉积到里面会影响到电气间隙吗?8 I: W4 P8 t* A- p# W( {% T: }
2.散热孔里面的线就当做外部线处理,因为内部电线会接触到水和粉尘,所以不能用普通线。请看60598-1第五章表5.1.
* z, j' K8 Z2 A$ a+ xLuminaires which are other than ordinary 内部线要用 60245 IEC 57 7 I( P$ ]0 m1 N
/ o2 T5 [3 t% p0 o6 T0 p" y- T. U
# l) |( u0 U* S: u0 Q
0 X; G& J3 k# m' F% y |
|