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如题， 22.110 该如何理解？  ! ~2 M# `) \ |3 n$ ~* K
$ A. H; t2 g- ]" U, F2 h1 A22.110 Non-self-resetting thermal cut-outs designed to be replaced after their operation
y1 E: a+ V3 M9 s0 Vshall open the circuit in the intended manner without short-circuiting live parts of different' w4 D3 T2 I2 a: a/ W1 N( K$ R* k
potential and without causing live parts to come into contact with the enclosure./ `$ p; ^5 y! u. x
Compliance is checked by the following test.
. H2 T1 ^+ j! j( d, i1 \% ]The appliance is operated five times, each time with a new non-self-resetting thermal cutout,0 C9 s' B' M, P r
any other thermally operated control devices being short-circuited., ?6 l( g# u! c9 u4 \
Each time, the thermal cut-out shall operate appropriately.6 V0 o) e. m2 G. R8 X
During the test, the enclosure of the appliance is connected to earth through a 3 A fuse; this2 M R; M0 @2 ]6 F0 o* I2 u- h/ t! y- I
fuse shall not blow.& B/ ?; K$ R) X. {& \1 ~# q7 `
After this test, the supplementary heating elements shall withstand an electric strength test as6 T1 k2 w1 |" D
specified in 16.3.
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发表于 2014-7-16 18:14
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