IEC 60335-1 clause 19.11.3大家怎么理解
19.11.3 If the appliance incorporates a protective electronic circuit which operates to ensure compliance with Clause 19, the relevant test is repeated with a single fault simulated, as indicated in a) to g) of 19.11.2.NOTE The compliance criteria applied for these tests are those detailed in 19.13. 我的理解是，如果保护电子电路自身有故障的时候，要对器具施加19.11.2所列故障，在两重故障都发生时，要求满足19.13的要求。 楼上正解，同意
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