|
这个是针对裸露的输出端子的电压,恒压输出或恒流输出的控制器不得超过25V r.m.s9 P4 u# P# S! a h# U
R B5 W0 o8 l. @- `
无载输出电压不得超过33V r.m.s, 峰值不得超过33的根号2倍。
6 V5 O/ L5 J6 b# P/ A1 n& j u5 R) u. Z+ m/ m
具体的SELV具体在EN 60598-1第1.2.42.2章节
" y' @5 b C/ E( S, X8 m/ W
/ ^) a+ q$ [/ k1.2.42.25 }) H% \* L5 q" @% p l
SELV (safety extra low voltage)) @8 g) ?" m- Y8 q# O
ELV in a circuit which is insulated from the mains supply by an insulation not less than that
: F; E: @1 A2 k1 j* Z, vbetween the primary and secondary circuits of a safety isolating transformer according to
8 @% W0 J6 \& K, y7 N" w- ~IEC 61558-2-6 or equivalent
7 p3 v4 V& K! q `' E+ K( H3 G: g0 A. F: r6 H5 s3 w; h, M
NOTE :+ H) A* G% @7 D- C$ w, f2 }
Maximum voltage lower than 50 V a.c. r.m.s. or 120 V ripple free d.c. may be specified in particular
7 ~6 P. g# U* v# \( i+ J6 ?! {requirements, especially when direct contact with current-carrying parts is allowed. |
|