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首先第一个问题，热熔体（温度保险丝）是不是非自复位热断路器？
. d) i1 b, W6 L S/ s/ t' i回答：
/ ]3 `$ g% K6 M非自复位热断路器的定义是：3 z9 X0 w+ q, W |# V; M
3.7.5 non-self-resetting thermal cut-out
% i# Y+ T6 V1 b1 [thermal cut-out that requires a manual operation for resetting, or replacement of a part, in order to restore the current/ M1 u1 V; [4 b" n
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热熔体（温度保险丝）的定义是：1 X9 y& s: {: t6 T6 I/ x2 q" n
3.7.7 thermal link
* N; ~) v' S" K& g- s0 S G4 c9 jthermal cut-out which operates only once and requires partial or complete replacement
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比较可知，thermal link只是一种特殊的thermal cut-out（只动作一次且需替换）， thermal link也符合non-self-resetting thermal cut-out的定义。再形象点，如果把thermal cut-out比作马，thermal link 属于母马而且还是白马的话，non-self-resetting thermal cut-out就是白马（包括公白马和母白马）。
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第二个问题，热熔体（温度保险丝）是否要去加入7.12.6警告语？
% g F [ O" b% {# a+ f& R回答是不需要，因为它不是通过断电来重置的（热熔体需替换来重置）。 K2 Y: v' @) e( b& z8 x, S% E
7.12.6 If a non-self-resetting thermal cut-out is required in order to comply with the' f2 p( u/ a2 S5 \
standard then the instructions for appliances incorporating a non-self-resetting thermal cutout2 R+ t. q7 G) L, K% X6 i3 h( B; A& U
that is reset by disconnection of the supply mains shall contain the substance of the
* {2 Z6 l9 m+ e: L5 U2 gfollowing:
0 S$ X: {1 G7 ?1 d2 {CAUTION: In order to avoid a hazard due to inadvertent resetting of the thermal cut-out," N s% x6 p6 z$ i# @! A( l6 b; J0 z( i
this appliance must not be supplied through an external switching device, such4 y" [0 }+ S; N( R. P7 J2 i
as a timer, or connected to a circuit that is regularly switched on and off by the- K* C2 L% Y1 d" b7 c. j9 I9 v; ]
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发表于 2010-10-22 09:39
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