DSH 275 Compliance with subclause 20.2 after abnormal operation test

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DSH 275 1 ^8 k# P2 Z# v; V5 u! H 1 d2 u; n% y& D7 o0 A

Compliance with subclause 20.2 after abnormal operation test & |  E2 c* l0 t6 G

19.13 # F2 u' |% V6 t" u6 B* R4 j

60335-1(ed.3)

Standard: IEC 60335-, Ed. 3.0 Sub clause: 19.13 Sheet n. 275
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Subject: Compliance with sub clause 20.2 after abnormal operation tests
( B4 R: Z+ d8 s( u8 uKey words:
- abnormal operation
8 o& j! w, R9 X5 @& k0 F- test sequence
( ^, R" M0 |# a( m; z/ o. p3 {/ DDecision n. 20 taken at 36th meeting/1999
Question: sub-clause 19.13 of IEC60335-1 reads: “after the tests and when the appliance
has cooled to approximately room temperature, enclosures shall not have deformed
# r8 p4 U! \+ V$ t8 T) uto such an extent that compliance with clause 8 is impaired and, if the appliance is
still operated, it shall comply with 20.2”
Does this mean that 20.2 and the subsequent test of clause 21 has to be checked on
& S6 v7 r& @6 ythe appliance only if the appliance is still able to operate ?
! q" V* n, h4 X. {In this case clause 21 would be performed on an other sample, which is not in line
, f; y$ x) X+ K' W  Mwith clause 4.2.
Decision: The intent of the is to apply the requirements of 20.2 and the test of 21 to
; H, [# r% b' z3 x# Vensure safety in both normal and abnormal conditions.

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