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发表于 2007-6-27 10:40
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大家好,认证工程师说是根据:30 Resistance to heat and fire
, Z) k5 o2 G, L9 y; J' [30.1 External parts of non-metallic material, parts of insulating material supporting live( V4 r4 }& L2 m4 F7 t
parts including connections, and parts of thermoplastic material providing supplementary
$ y6 p+ [; ]4 C8 F" l! ~5 Ginsulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration7 k1 Q; ]1 s' o! w# l3 s6 G
could cause the appliance to fail to comply with this standard.5 @; _) I; x5 S6 A$ w5 ]
This requirement does not apply to the insulation or sheath of flexible cords or internal wiring.
- m7 ?& F0 C6 p$ T" C2 `& ACompliance is checked by subjecting the relevant part to the ball pressure test of
, F# c& S8 W7 @& h: z, ~' e, d+ pIEC 60695-10-2.
' P8 [) J- Q* O) @The test is carried out at a temperature of 40 °C ± 2 °C plus the maximum temperature rise& Y# C: Y W" \
determined during the test of clause 11, but it shall be at least$ c6 @& f0 D; V* C1 `; V
– 75 °C ± 2 °C, for external parts;
+ H) o. Q8 u, H4 M– 125 °C ± 2 °C, for parts supporting live parts.7 u# u2 ?" _, e
However, for parts of thermoplastic material providing supplementary insulation or
% O3 J1 z1 C& t3 d% c% _reinforced insulation, the test is carried out at a temperature of 25 °C ± 2 °C plus the, X9 D$ _2 j2 h$ `& N
maximum temperature rise determined during the tests of clause 19, if this is higher. The
0 I: `! j, C( f2 x5 J+ U1 P5 Y+ ctemperature rises of 19.4 are not taken into account provided that the test is terminated by" I, w/ t H' ?4 W
the operation of a non-self-resetting protective device and it is necessary to remove a
0 r/ h& I. O; F4 ~% P5 O5 scover or use a tool to reset it.
/ E6 @" i5 D P+ gNOTE 1 For coil formers, only those parts that support or retain terminals in position are subjected to the test.
/ Q- K3 ]/ M5 x7 pNOTE 2 The test is not carriedout on parts of ceramic material.! R- S& I: ]+ @7 U3 J3 B0 H4 b
NOTE 3 The selection and sequence of tests for resistance to heat are shown in figure O.1.” |
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