|
|
IEC60335-1:2006( j5 B9 o- C. w
30.1; J% b+ ]# W. O2 U: u2 U) ]
External parts of non-metallic material, parts of insulating material supporting live
' \/ ?3 G8 X1 {) S" t- @9 m' Lparts including connections, and parts of thermoplastic material providing supplementary8 b7 h$ N, e1 h% x7 l+ |7 z& P
insulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration
! S0 G" U5 o9 u& ?% jcould cause the appliance to fail to comply with this standard.
! s6 y' F. K1 p! m9 u3 SThis requirement does not apply to the insulation or sheath of flexible cords or internal wiring
4 E3 z, q( Q; q' LCompliance is checked by subjecting the relevant part to the ball pressure test of. {$ Y @- \; c8 U3 Z
IEC 60695-10-2.( p8 ?" h+ e9 y- U/ D
The test is carried out at a temperature of 40 °C ± 2 °C plus the maximum temperature rise
5 l! ]7 [0 _. J; T+ m/ b1 t0 A4 ]determined during the test of clause 11, but it shall be at least
$ B$ M8 s6 ^& V ~– 75 °C ± 2 °C, for external parts;& P: v5 o( ^; k! |
– 125 °C ± 2 °C, for parts supporting live parts.+ C% a- m% w* Q7 L/ N; i
However, for parts of thermoplastic material providing supplementary insulation or
+ c4 t& C5 e# m! b4 [' creinforced insulation, the test is carried out at a temperature of 25 °C ± 2 °C plus the1 i8 F7 y: F# ~" H- t4 t; T
maximum temperature rise determined during the tests of clause 19, if this is higher. The5 \2 K5 I) D& M2 G& L& h; G+ `
temperature rises of 19.4 are not taken into account provided that the test is terminated by2 f4 z. V. d7 s. h0 C Y8 n. B
the operation of a non-self-resetting protective device and it is necessary to remove a
t# c6 p& C) n: C Bcover or use a tool to reset it. |
|