PDSH 799 Relays only operate to ensure appliances are energized for normal use

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广东安规检测
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PDSH 799

Relays only operate to ensure appliances are energized for normal use

19.14

60335-1(ed.5)

5 n7 L+ k1 V; q7 W/ b7 ]- |Standard(s): IEC60335-1(2010)
8 \, Q- R# m2 a; n* E! ?' cSubclause(s): 19.14
: {& k6 A% l% v: INo. Year 2012
5 C; T& s) e% @4 Q3 l1 @PDSH 0799
Category: HOUS
Developed by: ETF 1
$ w. n: x7 P9 s) G2 l4 jSubject: Relays only operate to ensure appliances are energized for normal use
Key words:
8 U3 X# v$ R2 D3 d" O# F% y- _- Short-circuit
4 l& _: ?& C- s- Motor Start Relay
To be approved at the 2012 CTL Plenary Meeting
Question:
The following is stated in the third paragraph of Sub-clause 19.14:
) G4 k- I: K) `! C) `' ]5 |“Any relay or contactor which operates only in order to ensure that the appliance is energized for
normal use and that does not otherwise operate in normal use is not short-circuited.”
" X* r- d: J  rIs the motor start relay shown below covered by those specified as “not short-circuited” in the third
paragraph of Sub-clause 19.14?
2 Q! }2 b; C+ O% `Decision:
9 w  d1 Q- ?# v9 ^' y3 I6 U, H; W; EThe motor start relay as shown above is not short-circuited.
( e" O! m6 ^, g4 d; jSee also explanatory note.
) }- S# c9 \" i1 l
! }1 f$ Z6 f3 b( v( V# b. q