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IEC60335-1:2006$ F8 b. |, M/ I4 I1 b
30.12 f$ }7 j& x7 S- n/ `7 Z6 `
External parts of non-metallic material, parts of insulating material supporting live
, G& C1 }0 C8 _/ Aparts including connections, and parts of thermoplastic material providing supplementary# c; U$ E5 B$ L. Q1 c# q' n# n4 Y
insulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration' R& d, x! ]# Q+ u
could cause the appliance to fail to comply with this standard.
) _4 V5 D9 h& h: y `This requirement does not apply to the insulation or sheath of flexible cords or internal wiring
' K% g2 |& _+ W, b6 RCompliance is checked by subjecting the relevant part to the ball pressure test of
, k3 q/ I, \; }IEC 60695-10-2.
0 s, I) b" _9 L, p7 E; s0 H. _/ dThe test is carried out at a temperature of 40 °C ± 2 °C plus the maximum temperature rise
: A$ b: H* e) O! I* Fdetermined during the test of clause 11, but it shall be at least; m) n7 W+ q; [/ G& q; M
– 75 °C ± 2 °C, for external parts;
F9 z6 t- U- O– 125 °C ± 2 °C, for parts supporting live parts.
- [, B6 k7 G* V1 ~' z+ y& nHowever, for parts of thermoplastic material providing supplementary insulation or
$ [+ E" ]! q% g* O; }/ b& Freinforced insulation, the test is carried out at a temperature of 25 °C ± 2 °C plus the# a& H! {0 t+ [/ ?2 ^7 j% B
maximum temperature rise determined during the tests of clause 19, if this is higher. The
0 _, ^6 ]% Q% M8 ~temperature rises of 19.4 are not taken into account provided that the test is terminated by T! D9 g, S( H9 t0 o
the operation of a non-self-resetting protective device and it is necessary to remove a
: I9 k% A" I7 b9 n1 _& d scover or use a tool to reset it. |
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