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|  DSH 275
9 p Y; J- m6 Y# w
+ U7 R3 L3 N8 | | Compliance with subclause 20.2 after abnormal operation test
- [7 w+ `6 @* \& k9 a- R, z | 19.131 F" q/ S/ n! t5 I
| 60335-1(ed.3)4 G. m& }: D1 w8 ^- a
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5 k5 I ^/ R1 V' h- xStandard: IEC 60335-, Ed. 3.0 Sub clause: 19.13 Sheet n. 275# M( Q. S; J) n- }# }# g
Page 1(1)
$ X6 r* y% B* s: J3 BSubject: Compliance with sub clause 20.2 after abnormal operation tests
& R6 n: Z# r6 P9 [Key words:
0 J/ b$ o1 H. f# ]" [6 b) a) Y) F- abnormal operation! k- P3 D: {3 L
- test sequence ) G8 h2 }2 d! ?' k8 o& F4 [, c
Decision n. 20 taken at 36th meeting/1999
$ m* I5 k W7 B$ l( I1 ^4 _' HQuestion: sub-clause 19.13 of IEC60335-1 reads: “after the tests and when the appliance
U, c- \. c; s o6 w4 v4 rhas cooled to approximately room temperature, enclosures shall not have deformed3 N X2 A3 f+ m0 a/ f$ U
to such an extent that compliance with clause 8 is impaired and, if the appliance is
' {& k, W- E0 y( m1 `still operated, it shall comply with 20.2”
. x8 y) h6 M$ ?6 @$ ]: tDoes this mean that 20.2 and the subsequent test of clause 21 has to be checked on/ i4 K! c3 \4 \
the appliance only if the appliance is still able to operate ?
6 r: D9 N; ^ C! R$ m. E7 VIn this case clause 21 would be performed on an other sample, which is not in line/ d9 f+ ]: m/ O8 K8 t- z3 w, l- Z7 |7 a) C
with clause 4.2.* }: E( k' l6 r
Decision: The intent of the is to apply the requirements of 20.2 and the test of 21 to% D3 B+ C1 P9 S; o9 M
ensure safety in both normal and abnormal conditions.. B7 U, ]. \( z
5 ^ s( e3 z. R R0 Q3 R4 O H0 Y/ C* ?2 L$ w1 M# z
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发表于 2012-9-14 13:31
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