DSH 525 Applied force for internal parts

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DSH 525 - }* d) @& K. ~. E( ^ 9 s9 d4 V$ q/ z' Y

Applied force for internal parts 0 T7 O: D4 S3 O$ T0 e

13.2

60065(ed.6)

3 [* ^1 Z7 J/ r9 lStandard:
IEC60065 6ed.
Sub clause:
13.2
Sheet No.
525
9 T1 r  a1 ^: G- E0 v  U6 x8 nSubject
Applied force for internal parts
; G& \) Y  U0 H5 {Key words:
force for internal parts
3 ~. Z, R* w9 d$ a) k5 G5 K# GDecision taken at the
40th meeting 2003
/ t2 z1 V0 O9 x; k" KQuestion:
' k' E+ {' ^! ]( {, O, D, BIn clause 13.2, it is specified that 2N for internal parts and 30N for the outside are applied
simultaneously while taking measurement of clearance. However, it is not specified that forces are
applied to internal parts while taking measurements between two internal parts, ex. primary circuit
5 }9 p* w$ n# rcomponent and secondary circuit component.
. \. Y2 ^9 y& q) j' C8 }$ S# ^- LWhich is the appropriate method to measure clearance between two internal parts ?
a) 2N forces are applied to the both parts simultaneously.
: [  d& P- P2 T1 \$ c; F3 v& M; Fb) First, a 2N force is applied to one part and removed. And then a 2N is applied to the other one.
c) Other opinion
Decision:
First, a 2N force is applied to one part and removed. Then a 2N force is applied to the other
* r/ s1 L7 t' z, d% W9 T8 Kpart.
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