60335-2-40 空调 条款22.110

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广东安规检测
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IEC60335试验指甲

如题， 22.110 该如何理解？
3 K. Z8 c" K8 G3 F
; G( E% I4 E  |/ p$ N" Z22.110 Non-self-resetting thermal cut-outs designed to be replaced after their operation
" n0 ^5 A0 y3 ~' Pshall open the circuit in the intended manner without short-circuiting live parts of different
0 C  m0 y% y1 J' `5 mpotential and without causing live parts to come into contact with the enclosure.
& s4 S6 t+ Y/ \# UCompliance is checked by the following test.
( k  I- w6 n/ y3 FThe appliance is operated five times, each time with a new non-self-resetting thermal cutout,
any other thermally operated control devices being short-circuited.
Each time, the thermal cut-out shall operate appropriately.
3 Z2 Q8 j. g# r7 Z& n1 ^" z; RDuring the test, the enclosure of the appliance is connected to earth through a 3 A fuse; this
fuse shall not blow.
0 c& e9 H$ ~8 ~- k, @1 ^5 [+ l; A* OAfter this test, the supplementary heating elements shall withstand an electric strength test as
specified in 16.3.

tarry

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。