DSH 479 heating

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广东安规检测
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IEC60335试验指甲

DSH 479 ) Q4 d) c) W& n  f2 e; o

heating 4 t, c0 ]* X) s$ y$ W5 H6 F2 p

11 9 s8 R; j/ m9 Z% R

60335-1(ed.3)

Standard: IEC 60335-1:1991, 3rd Ed.
7 d3 B- `5 Y- a5 l5 FSub clause: 11
& z' X3 s4 A6 |0 G  f$ F2 uSheet No. DSH-479
Subject: Heating
2 r- R) S* v/ a, N8 IKey words: - type X attachment  - appliances for permanent connection
Decision taken at the 40th CTL meeting 2003
Question:
5 Y# f7 S3 t3 I8 `: f( m& OWhen performing the heating test on appliances for permanent connection to fixed terminals
(type X attachment), how are the power source connections made?
Rationale:
See question.
Decision:
A) The smallest nominal cross-sectional area, as shown in the table of sub-clause 25.8
; a6 g, L" T: q/ `0 O! |should be used when testing to clause 11 on appliances designed for permanent connection
to fixed terminals where the cable or cord is not supplied and where the instruction sheet
does not recommend any specific size.
B) Two-thirds of the required torque should be applied to the terminals when carrying out
0 Y0 c3 u0 l& k& d% h% @; t: i7 Lheating tests in accordance with table of sub-clause 28.1.
0 O1 ]' G2 u7 F" o- I2 B