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4.5.5 Resistance to abnormal heat
7 w9 o$ K/ @( }9 Y/ l' K' { L5 A) kThermoplastic parts on which parts at HAZARDOUS VOLTAGE are directly mounted shall be resistant
1 A+ i# _: D* d9 L' h' }to abnormal heat.
+ L' S& |1 E5 K4 X) \Compliance is checked by subjecting the part to the ball-pressure test according to IEC
9 U7 D4 V& W; `4 s* c# {60695-10-2. The test is not made if it is clear from examination of the physical characteristics of
5 I* P6 P1 x2 ?7 |! {8 J( P6 n e- Othe material that it will meet the requirements of this test.0 }! r: I" `9 ?. W3 M
The test is made in a heating cabinet at a temperature of (T − Tamb + Tma + 15 °C) ± 2 °C.1 ~: z% I" `2 r/ `& A
However, a thermoplastic part supporting parts in a PRIMARY CIRCUIT is tested at a minimum of 125
& m6 d8 {$ {+ W9 @+ b# r, }4 W°C.- n3 @ ?% {* M# H" f6 O8 d
The significances of T, Tma and Tamb are as given in 1.4.12.1. |
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