DSH 593/06 Thermal cut-outs

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DSH 593/06 4 Y( _' O% c  Z4 w7 M/ X' I% r

Thermal cut-outs

20.5 9 G; g. R$ r& K2 S: q

61558-1(ed.1);am1 ) v0 j2 _7 w2 D  G' _' c, ~) ?) W

; @; R3 r- p% uStandard: IEC 61558-1/1997
& J6 v$ j4 [' v/ ~( @! Y0 UA1/1998
$ x3 N8 r" V1 g# g' J0 ESub clause: 20.5
Sheet N°: 593/06
+ [" _4 Y4 V5 A2 f2 ]- h) GPage: 1 (1)
Subject: Thermal cut-outs
Key words:
, m: \" y9 n; z3 O- PTC / resistor
- Bi-metal contacts
2 U; m8 i$ w$ h6 a- IEC 60730
Meeting:
Decision confirmed
3 a# q) C5 Q4 @0 _& Y+ V) E) o9 pat 44th CTL meeting
! H1 a) _; K1 J# L/ z1 m, _1 xQuestion: Is it possible to accept a thermal cut-out with a resistor or PTC in parallel with
bi-metal contacts (type 2C according to IEC 60730), considering that this type
- w& z$ t) _. L( f2 _of protection is already considered in the document 96/194/CDVas proposal for
+ q  u; a+ W/ |$ S$ x( kamendment 2 of IEC 61558-1?
Decision: Yes, it is accepted.


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