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* B+ Y1 q/ r% q2 M2 c* L8 N8 DStandard: IEC 60335-1:1991, 3rd Ed.* Q$ A# R+ F; l2 e' O& U
Sub clause: 111 Y( @% {" y! {: |) f" M; c9 K
Sheet No. DSH-4794 g4 g5 g: Q8 h- \! b$ h6 ^
Subject: Heating 9 y; H2 B! S) ^
Key words: - type X attachment - appliances for permanent connection6 W% t! a2 z, R$ ~ r
Decision taken at the 40th CTL meeting 2003
t7 e2 l2 o( t$ R6 j% _Question:
, A, Y6 h8 K( |8 f% FWhen performing the heating test on appliances for permanent connection to fixed terminals2 N& a8 p: B4 _/ [1 P, f
(type X attachment), how are the power source connections made?9 l3 |. K' ^3 |7 A7 F( r
Rationale:
. l: E' W; W( e1 DSee question.9 @& A2 @+ e+ @$ s, Q' L/ D; g
Decision:9 e9 N! x2 g( o$ M" p$ v
A) The smallest nominal cross-sectional area, as shown in the table of sub-clause 25.8, H3 A5 y7 z! {+ Q; d4 Q, g
should be used when testing to clause 11 on appliances designed for permanent connection6 i. K' z; ]$ C4 I3 ^: J+ x
to fixed terminals where the cable or cord is not supplied and where the instruction sheet
# t v. V, Q+ z& J0 j; s3 Wdoes not recommend any specific size.6 q. ]# ]0 O. [0 B/ y: y+ O; P
B) Two-thirds of the required torque should be applied to the terminals when carrying out( g; e/ g3 [ N5 s$ i
heating tests in accordance with table of sub-clause 28.1.
6 |, ^5 g9 k; ]! @- o7 e+ D7 Y( V, n
- B8 v d- D3 J0 G2 U: X/ y# ^% U3 i: r& h1 S6 M+ d. |8 T3 v8 Y
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发表于 2012-9-12 11:38
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