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IEC60335-1:2006' x7 a8 h( ^' {% }- t, z6 H: e& c
30.1
7 b1 x3 M, x& Z( G* [1 W5 K0 t. ?9 TExternal parts of non-metallic material, parts of insulating material supporting live
7 k! U( g2 V/ ]& m1 Xparts including connections, and parts of thermoplastic material providing supplementary
5 ~$ T( T, C V. k6 L% cinsulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration) ?/ X7 A/ p) M2 Y+ B% s
could cause the appliance to fail to comply with this standard.
m. x# s/ t& ~ F/ fThis requirement does not apply to the insulation or sheath of flexible cords or internal wiring# s0 A$ r" F# I) z& p$ H9 X O- j
Compliance is checked by subjecting the relevant part to the ball pressure test of" N3 ]0 `# L$ i- L
IEC 60695-10-2.3 ?/ t4 k4 e# e$ {+ u5 y$ W
The test is carried out at a temperature of 40 °C ± 2 °C plus the maximum temperature rise# s" a4 w8 m8 s1 P7 X
determined during the test of clause 11, but it shall be at least
( h, D' }6 h+ e; S/ q/ \' j* J– 75 °C ± 2 °C, for external parts;$ K5 N8 q4 |1 w) h) A6 M( K( R" G) a
– 125 °C ± 2 °C, for parts supporting live parts.7 R; [9 _2 \# C) m+ o6 T1 W P
However, for parts of thermoplastic material providing supplementary insulation or
5 k2 ~, F. n& F8 L( @reinforced insulation, the test is carried out at a temperature of 25 °C ± 2 °C plus the
5 T! J+ p0 G0 A3 S. m9 q0 t. m# z! A' xmaximum temperature rise determined during the tests of clause 19, if this is higher. The `% q+ q. O2 R# L n* U
temperature rises of 19.4 are not taken into account provided that the test is terminated by
) a7 X2 x b2 y4 wthe operation of a non-self-resetting protective device and it is necessary to remove a
- F1 m, O% @* K1 ^4 E& i; _cover or use a tool to reset it. |
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