|
520168 发表于 2013-10-31 14:02 $ a6 D9 Q& ]) I$ L1 y1 t+ j2 n
60245IEC53是普通二类灯具(IP20)使用的,既然内部线不密封可以淋到水就属于非普通灯具要用60245IEC57, % A+ J: ^- y6 X* t+ _
内部线是安全低电压吗!- \: k5 ] k$ Y, z
第9章, 附录c) no trace of water on current-carrying parts or SELV parts where the voltage under load 2 u G. L6 ^+ `. S
exceeds 12 V r.m.s. or 30 V ripple-free d.c. or on insulation where it could become a hazard ( a3 E6 E$ f+ `) r$ j4 w5 C3 X
for the user or surroundings, for example, where it could reduce the creepage distances 5 m# k' b9 c* o7 k- ]; M/ F
below the values specified in Section 11; |
|