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IEC60335-1:2006* M7 ?% Z3 w4 Y5 X2 R
30.1
@' B$ [4 R" t3 R: DExternal parts of non-metallic material, parts of insulating material supporting live
6 J8 @ @, V8 `, E3 ^parts including connections, and parts of thermoplastic material providing supplementary- ~& }9 `+ N3 H: k, r. D) ~
insulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration
; ~% b' v0 E" a) e/ Ecould cause the appliance to fail to comply with this standard.
. b! l9 x$ R/ K/ mThis requirement does not apply to the insulation or sheath of flexible cords or internal wiring4 V& S% ^1 F0 |0 t5 U
Compliance is checked by subjecting the relevant part to the ball pressure test of
4 y7 f0 }8 V. H/ N1 l( M3 W7 JIEC 60695-10-2.' B8 K' o& R9 A$ O
The test is carried out at a temperature of 40 °C ± 2 °C plus the maximum temperature rise
+ t4 b2 w7 {+ H$ y3 @determined during the test of clause 11, but it shall be at least
, W( r* O% T3 X1 M Z– 75 °C ± 2 °C, for external parts;
* F- t4 |) E5 b– 125 °C ± 2 °C, for parts supporting live parts./ ]) a% M' v+ q3 w5 t$ H+ m
However, for parts of thermoplastic material providing supplementary insulation or. w0 Q. N8 C+ W7 F
reinforced insulation, the test is carried out at a temperature of 25 °C ± 2 °C plus the* p2 X/ X$ V. c' M
maximum temperature rise determined during the tests of clause 19, if this is higher. The# I! }' R' [+ m3 V
temperature rises of 19.4 are not taken into account provided that the test is terminated by
3 P3 f, a' c$ y. Kthe operation of a non-self-resetting protective device and it is necessary to remove a
1 f& }6 Y2 m$ P; b2 q* y$ b; R/ qcover or use a tool to reset it. |
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