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参考下面Ul1598 工厂测试耐压,可以打绝缘电阻( 2.0 MΩ.)+500Vdc 耐压5 Q2 D U% W6 Z4 [* P
4 V6 |) G) X9 i3 k- Y$ _: E- sH.18.1.2 The circuitry may be rearranged for the purpose of the test to reduce the likelihood of solid-state component damage while retaining representative dielectric stress of the circuit. ; L0 w! n( k. S, m2 i- B
2 o3 o$ G; F9 t/ q4 k(2) Where a solid-state component (LED) cannot be electrically disconnected, the insulation resistance between live parts and ground at the completion of a 1 min application of a 500 V dc test voltage shall be not less than 2.0 MΩ. |
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