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IEC60335-1:20062 q+ N- }, m9 h, z8 f7 [" \
30.1
7 C2 |/ W" v, |) T$ @! }External parts of non-metallic material, parts of insulating material supporting live7 v1 S. U4 M% a4 ^. x# Y
parts including connections, and parts of thermoplastic material providing supplementary
! P$ }2 A" f; [9 D) einsulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration
7 l+ V- B3 N+ t" T6 G' z5 ocould cause the appliance to fail to comply with this standard.
: z# S* y6 ?/ @This requirement does not apply to the insulation or sheath of flexible cords or internal wiring
8 |. E8 y1 K' ]' cCompliance is checked by subjecting the relevant part to the ball pressure test of8 q2 [8 D) m) y/ w! c- ~
IEC 60695-10-2.1 p" B7 ] u H6 J/ O* Q
The test is carried out at a temperature of 40 °C ± 2 °C plus the maximum temperature rise
; H' ~- K: [) `' H3 Edetermined during the test of clause 11, but it shall be at least
! ] |6 s( O0 }- C* X7 K– 75 °C ± 2 °C, for external parts;
3 v0 Z1 j, L" V% k" t6 m3 m– 125 °C ± 2 °C, for parts supporting live parts.6 H+ f; v( v7 B0 D# c" C2 r+ _
However, for parts of thermoplastic material providing supplementary insulation or2 m& S4 I5 F. w. c1 B% Y' n4 y
reinforced insulation, the test is carried out at a temperature of 25 °C ± 2 °C plus the, \( r& e5 B3 f
maximum temperature rise determined during the tests of clause 19, if this is higher. The
! D9 j* Z5 i j. Ptemperature rises of 19.4 are not taken into account provided that the test is terminated by7 n8 j8 P: J/ T( y$ I+ b8 b) M( @2 z. N
the operation of a non-self-resetting protective device and it is necessary to remove a' u4 r0 f3 q* p4 z
cover or use a tool to reset it. |
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