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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.s
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( S7 J4 o+ z* v/ d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。" i5 j7 W0 z; l! f
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具体的SELV具体在EN 60598-1第1.2.42.2章节( H6 S4 {5 Y! t9 A) t8 \1 q' [2 l% _
/ m0 K5 W2 r, [$ H7 |9 s. D1.2.42.2" E. }" Z( c5 c: i' m% D9 j* B# L5 P
SELV (safety extra low voltage)
# M& l3 A8 k) MELV in a circuit which is insulated from the mains supply by an insulation not less than that
5 h8 \9 y$ D4 g! xbetween the primary and secondary circuits of a safety isolating transformer according to4 I& {4 S8 E, m
IEC 61558-2-6 or equivalent; n3 H1 E" k/ {! r
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NOTE :
) I4 l; T+ |& G, u5 b+ FMaximum voltage lower than 50 V a.c. r.m.s. or 120 V ripple free d.c. may be specified in particular) v- ]& ^* e5 n0 c; o
requirements, especially when direct contact with current-carrying parts is allowed. |
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