|
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?2 @; S* L- s' e/ e: ]- M1 Z
回答:/ F! t! h) H% e- c* r$ _
非自复位热断路器的定义是:6 R* B2 R$ V, Q* G
3.7.5 non-self-resetting thermal cut-out8 R" K. c( k2 `! i* `2 n% t
thermal cut-out that requires a manual operation for resetting, or replacement of a part, in order to restore the current
0 {! r+ j( B1 l: Z& A7 K
* I! k' w! g9 h& K' ]* |, ]热熔体(温度保险丝)的定义是:) G/ O2 E/ K J" z/ O/ v4 H
3.7.7 thermal link
5 N9 z6 Y/ y$ Z7 |thermal cut-out which operates only once and requires partial or complete replacement* X3 K) m" U" l( K- Q
+ e" e1 p" ^0 ~1 @) ~7 e
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)。) G7 D2 O9 `3 J& D1 _3 a4 P
5 Z7 O" a# k; o: ^
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?7 t% b" u, x, {& Q$ Z, n# B) n
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)。/ }" @# ?$ L s9 g$ E7 m. B
7.12.6 If a non-self-resetting thermal cut-out is required in order to comply with the
) {' a! o/ ?( a6 r9 P5 Pstandard then the instructions for appliances incorporating a non-self-resetting thermal cutout' A* P+ @& V) d: c
that is reset by disconnection of the supply mains shall contain the substance of the
: a) ?! H7 q& J" b2 xfollowing:
* A0 |. i3 }$ R/ X. J$ a( Y* BCAUTION: In order to avoid a hazard due to inadvertent resetting of the thermal cut-out,
/ V; p9 z% k# p! Y$ Ithis appliance must not be supplied through an external switching device, such
: u6 D' y" Q4 n% _5 k4 Nas a timer, or connected to a circuit that is regularly switched on and off by the: |4 b- s' y0 d3 }# Z* j
utility. |
|