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4.5.5 Resistance to abnormal heat
9 _& G' r# W) A% w" v0 L( MThermoplastic parts on which parts at HAZARDOUS VOLTAGE are directly mounted shall be resistant
% }0 u4 @" `0 w: [to abnormal heat.4 z7 p+ H) Z) S6 _
Compliance is checked by subjecting the part to the ball-pressure test according to IEC
3 p8 j& ?4 W# [ A& I& W60695-10-2. The test is not made if it is clear from examination of the physical characteristics of. q4 e9 ?1 v U: A9 ~
the material that it will meet the requirements of this test.) E/ M; I& ^5 s/ X; R# T. V, J
The test is made in a heating cabinet at a temperature of (T − Tamb + Tma + 15 °C) ± 2 °C.
) \6 P; n1 G6 KHowever, a thermoplastic part supporting parts in a PRIMARY CIRCUIT is tested at a minimum of 125
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The significances of T, Tma and Tamb are as given in 1.4.12.1. |
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