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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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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。* s1 R2 ], i, |6 f5 n
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具体的SELV具体在EN 60598-1第1.2.42.2章节
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1.2.42.2
/ @' ?! `; @; {7 q0 eSELV (safety extra low voltage)! J8 @) z2 s0 H7 j* i; B W! m
ELV in a circuit which is insulated from the mains supply by an insulation not less than that; l& d& w$ g: H7 f4 F
between the primary and secondary circuits of a safety isolating transformer according to
! N b# p- w2 z3 d1 BIEC 61558-2-6 or equivalent$ b9 D# c% z- m7 e0 K# O. ^9 b' K
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Maximum voltage lower than 50 V a.c. r.m.s. or 120 V ripple free d.c. may be specified in particular
2 H: {& K- b- o# i0 @8 @* Hrequirements, especially when direct contact with current-carrying parts is allowed. |
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