DSH 655 Resistance to heat and fire

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广东安规检测
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IEC60335试验指甲

DSH 655

Resistance to heat and fire 5 b* ^+ y8 z" O, s& J

30.2.3.1 and 30.2.3.2 & H7 g0 p& M7 g3 B8 ~+ i

60335-2-29(ed.4) $ {: }6 z8 p$ Z0 f- O. w. F0 P

: R. ?( {1 h  W' X; F4 z. {% s- DQuestion:
$ y3 Z5 f& P0 ]" m" j9 uIs the plastic material fixing the plug of a battery pack of a hand-held power tool evaluated as insulation material and subjected to the glow-wire tests in 30.2.3.1 and 30.2.3.2, even if the battery pack is not included in the tests of IEC 60335-2-29 if the rated output current is less than 20A?
Is IEC 60335-2-29 also applicable to a combined battery charger and battery pack, if the battery pack is a special one (e.g. for hand-held tools) only chargeable by the battery charger and with safety relevant components (e.g. thermal protector) inside.
, g- b3 T5 k# E  r& n9 ^Decision:
1.- For the figure, it is clear in the standard that sub-clauses 30.2.2 and 30.2.3 applies to any plastic material supporting connection regardless the distance to the point of the connection.
5 w% |0 n4 h4 L0 G9 o8 C. @2.- If the battery is special for the appliance in such a way that it is needed for compliance with the requirements of the standard then, it shall be considered as a part of the appliance and shall comply with all relevant clauses of the appliance standard.

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