IEC/EN 60335-1 or IEC 60335-2-29
标准中允许电源产品的输出电压是不超过42.4V吗？我的产品是输出48V5A，输出端可以双极可触摸到的， 可以做不？
8.1.4 An accessible part is not considered to be live if
– the part is supplied at safety extra-low voltage, provided that
• for a.c., the peak value of the voltage does not exceed 42,4 V;
• for d.c., the voltage does not exceed 42,4 V;
or
– the part is separated from live parts by protective impedance 是要求空载输出不能超过42.4V
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