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4.5.5 Resistance to abnormal heat
6 K/ W! V4 }' M1 ~' BThermoplastic parts on which parts at HAZARDOUS VOLTAGE are directly mounted shall be resistant
3 }4 k. o) i0 `) lto abnormal heat.! i3 u- R$ N% K( Z7 ]9 r3 j& I
Compliance is checked by subjecting the part to the ball-pressure test according to IEC
6 r7 s0 f! z$ |- S60695-10-2. The test is not made if it is clear from examination of the physical characteristics of* p& f' {# h3 g1 m. L3 i+ y
the material that it will meet the requirements of this test." r6 F. w/ Y8 E; t
The test is made in a heating cabinet at a temperature of (T − Tamb + Tma + 15 °C) ± 2 °C.
$ u1 n, j" j$ I- DHowever, a thermoplastic part supporting parts in a PRIMARY CIRCUIT is tested at a minimum of 125
" `3 r, W a& ?( h! C°C.
; |* Z7 k$ Q7 c( V" cThe significances of T, Tma and Tamb are as given in 1.4.12.1. |
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