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楼主按标准测就是了。如果设备在正常温升下,过温度保护启动,就直接NG
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. n' r9 }5 r- i1 p9 {8 V( x以下为 EN61010 clause 14.3 作参考
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1 f& Z; e; i6 ~7 e' ]) d) M- ]14.3 Overtemperature protection devices6 E7 x3 J) j% [* X, T. O
$ ]( i7 f2 a9 iOvertemperature protection devices are devices operating in SINGLE FAULT CONDITION. They shall meet all of the following requirements:
]1 X+ ^( |. e3 e) Y, n9 L+ ?a) be constructed so that reliable function is ensured;
% X: w1 | S# h& e7 L8 Ib) be RATED to interrupt the maximum voltage and current of the circuit in which they are employed;7 T. }* h+ }/ n8 g
c) not operate in NORMAL USE. |
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