DSH 217 heating

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IEC60335试验指甲

DSH 217 ( Q% X+ r% L# V  \: z4 |3 N

heating

11.8   l( V; q' R+ s& p

60335-1(ed.3)

1 l# c# |" N+ v" W; `) O' F4 n7 EStandard:
IEC 60335-1: 3rd ed. 1991
Sub clause: 11.8
Sheet n°: 217
+ S' d" y' S* g1 O, l7 @Subject: heating Key words:
- T3 ]0 U9 [/ F6 ~$ R- ambient temperature more than 25 °C
- winding temperature
6 F) J& o5 c6 d# M8 PDecision of: 27th CTL meeting to be reaffirmed at 39th meeting.
9 g2 w3 M+ D7 F2 gQuestion:
. h% m$ T4 S8 A3 s0 k" bWhich of the following limits is applicable in the case of a motor with a Class H insulated
+ ?4 w; A9 p' ]0 p# @2 gwinding operating at an ambient temperature more than 25 °C (i.e. 120°C)?
) w5 d, f" ~& M1) 140 °C (stated in table 3) + 25 °C = 165 °C
2) 170 °C (according with IEC 43-1/1983 table 3)
2 [8 M) P4 J( I- ?; [- |% l3) 180 °C (according with IEC 85/1984, sub-clause 2.1 “thermal classes”)
  Z; u8 _+ f% H0 g+ _- U9 A( bDecision:
1 I. ]2 M$ h, }165 °C, as specified in case 1)
  o& s1 F9 u% e% K% i

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