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|  DSH 457; q6 E! W% Z$ _
3 A4 B' }) G1 g1 s; B7 a
( k; S5 I2 B. ~& D* Z0 a1 B& b) c8 x3 G | Abnormal operation! T Q+ Q$ x% U5 Y; A/ r& A5 Z6 p
| 19
8 O h l- }7 @& R u | 60335-1(ed.2)
6 ^2 [& t* ^' c |
* P9 \( ^/ n/ GStandard: IEC 60335-1:1976, 2nd Ed.& C$ N! E: D3 ?) f6 `
Sub clause: 19( ~. A2 g6 i6 n
Sheet No. DSH-457/ B7 b" I$ a( v$ ~ h
Subject: Abnormal operation, d, |. e- Z: r3 ^
Key words: - thermostat an thermal cut out within the same component4 m4 b2 @+ [5 E6 c" z3 {
Decision taken at the 40th CTL meeting 20037 ^8 N% |7 m7 ^7 U n0 c
Question:5 p* _# s+ E9 \8 H, i
How is a component with a thermostat or thermal cut-out or both within the same8 J% `8 t8 a! e$ ~. Q1 ] v: ~) _
component, having only one temperature sensing device, but operating two or more switch
( B; P. l! O* D4 u" u2 X4 ~5 C% p( vparts in separate circuits tested?) N' k4 H N' V* z
Rationale:/ b- h3 w* P7 \
See question.
: ?0 i2 f A( A6 K9 H; f( c: cDecision:- j! U E' E4 ^4 K
When a part of this component has to be short-circuited during the tests, all switch parts are! c" {' N$ t. a
short-circuited.
0 S7 [, G& x5 _ ?# ^9 N& h% ~1 x' M. A j- a
9 _1 y. o$ P+ u9 e
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发表于 2012-9-12 14:50
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