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CE could be self-declared, if the testing requirements of the UL standard are same with those of the IEC and EN standards, then you can use the data of UL report to declare your own CE for LED driver, I am not familiar with the standards for LED driver, but I believe the insulation system is the key element for it, so some tests which required by both UL standard and IEC/EN standards for the insulation system should be evaluated, but no need to separately declare the CE for insulation system, your CE should be declared based on the standards&directives for LED driver, by the way, if the UL standard No. is something like UL6**** which of the numbers are same with the IEC/EN standards, then you definitely can use the data of UL report to declare some directives, such as the LVD directive, but for EMC directive, if applicable for your products, then you need to do the required EMC tests which described in the EN/IEC standards, cause you know, UL standards only cover the safety requirements, and normally EMC is not indicated in UL standards, so that's why I mentioned EMC should be evaluated separately.
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% f; F3 U: |, B4 s; X' ^( e: P+ iBy the way, if the voltage rating of you LED driver is less than 50Vac and/or 75Vdc, then LVD could be ignored.
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, @# \* Q# y$ D& Y+ }$ FHopefully, it can clarify... |
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发表于 2012-7-3 11:51
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