关于灼热丝的知识,连接件3mm范围是怎么理解的

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IEC60335试验指甲

CL.30,说连接件3mm范围内都要做灼热丝,但是在连接件和绝缘材料之间加了挡板,那3MM还要考虑吗?如果还要考虑,那为什么中间加了挡板(防火材料),那就不用考虑做750灼丝了.

大侠风清扬

3mm为穿透距离
% F$ W' N6 h% l7 ~! m1 |# Z"如果还要考虑,那为什么中间加了挡板(防火材料),那就不用考虑做750灼丝了."
这个哪里来的？以标准为依据

shixiafeng

同意二楼的说法

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CL.30..2..2

kendy

30.2.2 For appliances that are operated while attended, parts of non-metallic material
supporting current-carrying connections, and parts of non-metallic material within a distance
of 3 mm of such connections, are subjected to the glow-wire test of IEC 60695-2-11.
- v9 c* s' v5 m: h- fHowever, the glow-wire test is not carried out on parts of material classified as having a glowwire
flammability index according to IEC 60695-2-12 of at least
/ d: L1 A: i  g! s/ g" O& k& w& E– 750 °C, for connections which carry a current exceeding 0,5 A during normal operation,
( f, f2 B& \+ @$ w( d8 D– 650 °C, for other connections.
If the glow-wire flammability index is not available for a sample with a thickness within
# @  l$ j: C9 O± 0,1 mm of the relevant part, then the test sample shall have a thickness equal to the nearest
preferred value specified in IEC 60695-2-12 that is no thicker than the relevant part.
NOTE 1 The preferred values in IEC 60695-2-12 are 0,75 mm ± 0,1 mm, 1,5 mm ± 0,1 mm and 3,0 mm ± 0,2 mm.
. ^7 n  Q( F* n6 ^# lWhere a non-metallic material is within 3 mm of a current carrying connection, but is shielded
( {$ d. K& _  R( `7 afrom the connection by a different material, the glow-wire test of IEC 60695-2-11 is carried out
at the relevant temperature with the tip of the glow-wire applied to the interposed shielding
material with the shielded material in place and not directly to the shielded material.
When the glow-wire test of IEC 60695-2-11 is carried out, the temperatures are
) I; |# g, }6 E' h– 750 °C, for connections that carry a current exceeding 0,5 A during normal operation,
8 W  m8 w) }+ h; r" C  w. |4 X– 650 °C, for other connections.
0 G: P& j7 d- n; I% w如果中间挡板能经受住同等温度的灼热丝测试，则不需要对零件3mm内挡板以外的非金属材料进行灼热丝测试，因为就算电弧导致起火，经过挡板隔离后是则不认为可以蔓延至外部零件的，故不需要对其外部零件进行测试。

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那850的还做吗

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请问下IEC60695是什么标准的,我看的是IEC60335

obstinate

IEC 60335是告诉你什么时候做材料测试
IEC 60695是告诉你怎么做材料测试

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顶上去再钩个高手

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