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IEC60335-1:2006
! M# _4 Z; c# ^0 I5 J5 J6 K30.1( y! h- S. W1 V5 I! ^1 B: K% t
External parts of non-metallic material, parts of insulating material supporting live# f6 D2 G& s; P+ G- a
parts including connections, and parts of thermoplastic material providing supplementary# i) M! K9 T; ]# e
insulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration! |( H0 k6 j8 c8 w& c
could cause the appliance to fail to comply with this standard.
% I4 `' [% _; b9 O" k* s" Y7 XThis requirement does not apply to the insulation or sheath of flexible cords or internal wiring5 {2 N4 Q/ B1 x2 b
Compliance is checked by subjecting the relevant part to the ball pressure test of
; a; L$ J6 ?4 ~4 MIEC 60695-10-2.0 \* M8 H7 A' e. |; W
The test is carried out at a temperature of 40 °C ± 2 °C plus the maximum temperature rise4 z. B$ J+ L$ i
determined during the test of clause 11, but it shall be at least4 S; c2 F% c( z0 d) @% i
– 75 °C ± 2 °C, for external parts;
( e) s4 M0 ~: ?& [9 S– 125 °C ± 2 °C, for parts supporting live parts.+ P( K g2 V6 b1 e. a/ ~( b2 w
However, for parts of thermoplastic material providing supplementary insulation or- _! Y$ w( ?% V! z1 y7 d3 e
reinforced insulation, the test is carried out at a temperature of 25 °C ± 2 °C plus the
1 e2 Q% q) {6 O3 b$ t/ jmaximum temperature rise determined during the tests of clause 19, if this is higher. The
3 k! O/ Y% o# \2 B4 ttemperature rises of 19.4 are not taken into account provided that the test is terminated by- _% y! N! R* [9 a; y ~, O% }
the operation of a non-self-resetting protective device and it is necessary to remove a
8 Q$ M$ m( B$ R% H' hcover or use a tool to reset it. |
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