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4.5.5 Resistance to abnormal heat
- o. u6 G1 S" Q& K& z G# H- R4 FThermoplastic parts on which parts at HAZARDOUS VOLTAGE are directly mounted shall be resistant
0 a, G% u( U9 I$ \8 y0 q5 l5 dto abnormal heat.7 H1 C* e# D3 I
Compliance is checked by subjecting the part to the ball-pressure test according to IEC
3 l% H) R1 h$ c60695-10-2. The test is not made if it is clear from examination of the physical characteristics of1 W4 ~3 {+ R( K0 l) c
the material that it will meet the requirements of this test.
7 D# Y7 U, A( R2 V8 s" |The test is made in a heating cabinet at a temperature of (T − Tamb + Tma + 15 °C) ± 2 °C.6 A( w: P6 i$ z* X D
However, a thermoplastic part supporting parts in a PRIMARY CIRCUIT is tested at a minimum of 125- R1 B- P, J5 D2 m) c
°C." G$ A* I* x: v1 x& b
The significances of T, Tma and Tamb are as given in 1.4.12.1. |
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