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标准里的话可以解答你的问题,请查如下:
+ ~7 O% k9 ^* B# N+ V% E- n2 ~This annex is applicable to appliances having motors that incorporate thermal motor - |! ?, q' D1 m0 K4 L" a
protectors that are necessary for compliance with the standard. ; l1 Y2 x: R) [ f$ b2 b7 l1 B
3 ~. C" Z; l8 I! T" ]* f
- motors having self-resetting thermal motor protectors are operated for 300 cycles or for
8 X p6 E; U) M" K* A y72 h, whichever occurs first, unless they are likely to be permanently subjected to the
/ y" o1 t! ~3 u1 C; Z, M/ o0 _. Esupply voltage, in which case the duration is 432 h; $ \9 H# t$ W6 A5 R0 f* \4 L
– motors having non-self-resetting thermal motor protectors are operated for 30 cycles, the
& j, r, x4 }2 X T5 H9 M2 O! e$ W Tthermal motor protector being reset as soon as possible after each operation, but in not
6 O* W F) v# C. R$ o4 U; v: N' oless than 30 s. ~2 e$ ~) x7 n! U( b% b
要仔细看标准 |
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