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家电里面 en 60335-1 的30.2.3 有两次灼热丝测试,一次850的和一次750的,为什么要做两次呢?如果850的测试过了,再做750的不是有点多余么?
我是新手,一直没想明白这个问题,请高手指教。谢谢。
30.2.3.1 Parts of non-metallic material supporting connections that carry a current
exceeding 0,2 A during normal operation, and parts of non-metallic material within a
distance of 3 mm of such connections, are subjected to the glow-wire test of IEC 60695-2-11
with a test severity of 850 °C.
30.2.3.2 Parts of non-metallic material supporting current-carrying connections, and parts of
non-metallic material within a distance of 3 mm of such connections, are subjected to the
glow-wire test of IEC 60695-2-11. |
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