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

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PDSH 799 ! g; f- L1 I- p- c- y- \ . E5 g% ~( a  g

Relays only operate to ensure appliances are energized for normal use

19.14 , F% b" g6 G# V! O* I6 q

60335-1(ed.5)

2 @# w# |7 `- F# p1 oStandard(s): IEC60335-1(2010)
7 {" f8 u) u  O, \+ eSubclause(s): 19.14
' Q0 o2 {8 q9 `No. Year 2012
PDSH 0799
. f. q& C' i& m' F; h" ^4 rCategory: HOUS
Developed by: ETF 1
Subject: Relays only operate to ensure appliances are energized for normal use
2 G& A; g1 K! ~, M8 Q( wKey words:
6 Y4 D5 R; R: d% L9 Z- Short-circuit
% m$ j3 B) h( l9 J/ _- Motor Start Relay
To be approved at the 2012 CTL Plenary Meeting
Question:
: {4 X3 v, a4 `( S5 kThe following is stated in the third paragraph of Sub-clause 19.14:
“Any relay or contactor which operates only in order to ensure that the appliance is energized for
# z+ J9 C' e8 X3 U" U3 |7 J" ^normal use and that does not otherwise operate in normal use is not short-circuited.”
/ `# i7 V, `' U2 z. L% sIs the motor start relay shown below covered by those specified as “not short-circuited” in the third
paragraph of Sub-clause 19.14?
Decision:
The motor start relay as shown above is not short-circuited.
  c3 d$ S6 S2 Q2 ]4 `5 d, cSee also explanatory note.

$ A: l% K; C  a% n2 y" W