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19.101 Kettles are placed on a plywood board having a thickness of approximately 20 mm.
$ G$ i, W$ x& s" r5 UThe thermal cut out that operates during the test of 19.4 and all thermal controls that operate' `+ c/ v% L$ N! M( R: s/ s8 f# Q3 R
during the test of Cause 11 are short circuited simultaneously and the kettle is operated5 m2 d8 G% I/ j/ W
empty at 0,85 times rated power input or 1,15 times rated power input, whichever is more8 z5 R* X5 V2 x/ o( m6 q7 F
unfavourable. If the kettle incorporates more than one thermal cut-out that could operate8 ?( q+ o6 J0 i4 [( r- ?
during the test of 19.4, they are short circuited in turn.2 Z! D6 Z1 [! {8 {
During the test, any flames shall be kept within the enclosure of the kettle and the supporting4 Q# S/ g4 r- m2 l1 O
surface shall not ignite.5 F- e. l( N& n, z8 i @; r
After the test, live parts shall not be accessible and the other requirements of 19.13 are not
" d0 a& y$ [/ ~8 eapplicable.
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% z9 n3 ]: G- A3 [: }: C11章动作的温控,无论是1个动作还是2个动作,全短路。但19.4动作的温控器如果有1个以上,则轮流短路。如果19.4只有一个保护器动作的话,那么短路后器具就直接着火了,所以要装多一个! |
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