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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？
' g f. }( W4 D, b回答：& B A/ l* G; w
非自复位热断路器的定义是：
, y5 H" ?0 ]! D6 } j1 j# |) t3.7.5 non-self-resetting thermal cut-out
& k- z9 [9 ^5 H2 e! L! tthermal cut-out that requires a manual operation for resetting, or replacement of a part, in order to restore the current
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3 u4 L I6 {, R' k4 r* f; c热熔体（温度保险丝）的定义是：: x! r0 I0 a M4 \8 I. Z
3.7.7 thermal link2 m9 n( ~% s: Y& @2 A
thermal cut-out which operates only once and requires partial or complete replacement) f* f8 `- g8 K4 E4 ^' k
/ N5 P; {2 C3 _* Y) C+ W7 P
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？
* O( c* N1 q/ g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）。& g( S# Q2 p4 [ Y. A* N) s" p
7.12.6 If a non-self-resetting thermal cut-out is required in order to comply with the" a+ O1 {; R6 g
standard then the instructions for appliances incorporating a non-self-resetting thermal cutout
* m& V: H7 y% c1 @+ V) U! tthat is reset by disconnection of the supply mains shall contain the substance of the5 N) c; C; D" R: G* W. Z
following:( u7 ]; r4 E s9 k
CAUTION: In order to avoid a hazard due to inadvertent resetting of the thermal cut-out,+ r4 b" U0 K0 [, t8 d
this appliance must not be supplied through an external switching device, such
+ O$ w1 A, m5 D2 yas a timer, or connected to a circuit that is regularly switched on and off by the7 b3 N2 z/ E& l4 N2 b
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发表于 2010-10-22 09:39
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