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标准里的话可以解答你的问题,请查如下:
! m4 _/ C4 X" o. b9 D; kThis annex is applicable to appliances having motors that incorporate thermal motor
" A" A6 R$ _0 M% L% Tprotectors that are necessary for compliance with the standard. , U4 L9 m2 Q" ?/ x9 P% a: C6 A
$ C* s( c3 P& Z& r
- motors having self-resetting thermal motor protectors are operated for 300 cycles or for 6 D6 S; a8 |; {0 q/ e
72 h, whichever occurs first, unless they are likely to be permanently subjected to the ' R4 a- U2 R% b2 _" d
supply voltage, in which case the duration is 432 h;
# q9 z' x* M) X4 p' V– motors having non-self-resetting thermal motor protectors are operated for 30 cycles, the
- K/ q; g; R+ j# x' d5 K& s" b/ Ythermal motor protector being reset as soon as possible after each operation, but in not
9 s X( s! A& |$ t0 qless than 30 s9 D3 \8 ?: @% u
要仔细看标准 |
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