微波炉讨论专贴

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大家一起来讨论一下
微波炉美洲产品
有那些要注意的以及疑问

sd929898

呵呵，盼望有人能回答。也学点

天使推荐

自己做沙发了
UL923
44 Interlock Monitor Circuit Test
44.3 For an appliance incorporating a monitor circuit of the crowbar type, and rated 20 A or less, the
supply circuit is to deliver at least 1000 A. For an appliance incorporating a crowbar-type circuit and rated
at more than 20 A, the supply circuit is to deliver 5000 A.

我有一个疑问，为何要输入1000A的电流？
目的是什么？