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

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PDSH 799 1 E  f( n  S% i7 i2 a 1 u. p% A6 H- f+ R& U/ N1 Q

Relays only operate to ensure appliances are energized for normal use * g9 ]$ ~& D, V2 N$ e

19.14 0 N! ^, J5 N! F! L# s" h

60335-1(ed.5)

Standard(s): IEC60335-1(2010)
6 T6 E$ s4 |* J4 ]$ p, MSubclause(s): 19.14
No. Year 2012
PDSH 0799
2 H3 M/ w/ ^, h2 u. a( YCategory: HOUS
! ?: M: @- L% K2 n* MDeveloped by: ETF 1
Subject: Relays only operate to ensure appliances are energized for normal use
) z' W" H% y* o2 LKey words:
- Short-circuit
9 E/ e1 N& m: X3 B, ^- Motor Start Relay
To be approved at the 2012 CTL Plenary Meeting
Question:
) Q$ `, d; D) K: V% A6 dThe 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
normal use and that does not otherwise operate in normal use is not short-circuited.”
Is the motor start relay shown below covered by those specified as “not short-circuited” in the third
; ]7 T. Q& [. }. Z) C, V, @' Eparagraph of Sub-clause 19.14?
Decision:
: ~2 E. C8 ^3 X3 U) w4 x$ U) A1 ZThe motor start relay as shown above is not short-circuited.
See also explanatory note.

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