标题: 60335-2-40 空调 条款22.110 [打印本页] 作者: llldq 时间: 2014-7-16 18:14 标题: 60335-2-40 空调 条款22.110 如题, 22.110 该如何理解? : T! I- ~% |1 }- O5 O" t" g) d1 |3 V9 u3 X6 G* N& w
22.110 Non-self-resetting thermal cut-outs designed to be replaced after their operation! M' J7 d s8 J* w/ J
shall open the circuit in the intended manner without short-circuiting live parts of different# q7 w3 T$ T6 T/ P- ]
potential and without causing live parts to come into contact with the enclosure. $ e$ K ~/ E8 {* C6 O8 N0 u- v4 yCompliance is checked by the following test.8 l1 [: W0 C) M9 X* r. J% X
The appliance is operated five times, each time with a new non-self-resetting thermal cutout,' y) k! G' E3 W' I/ L
any other thermally operated control devices being short-circuited. 9 L" J7 c9 O' O! m2 ~1 yEach time, the thermal cut-out shall operate appropriately.) M7 g8 i3 }- z. H8 I- t4 f0 A
During the test, the enclosure of the appliance is connected to earth through a 3 A fuse; this 9 x% F! ]& ^6 F6 j) efuse shall not blow. 3 p3 Q9 f8 \" P8 HAfter this test, the supplementary heating elements shall withstand an electric strength test as3 V. l2 L2 X" c! n
specified in 16.3.5 z. B0 V- i) F2 x7 R4 K0 ] 作者: tarry 时间: 2015-3-10 09:17
应该是如果失效控温元件,热熔断器能即时断开,3A电流保险丝不能断开,且耐压能过。这个测试要做5次。