|
| PDSH 7999 f: \3 n8 N9 D/ }
) r+ V; e& U8 T+ m: N4 X7 X" ?
| Relays only operate to ensure appliances are energized for normal use
& j3 {6 J* d/ e# u& s | 19.14: @0 p. h. F7 p( I
| 60335-1(ed.5)
- ~$ j5 u C9 J) t' d G" _ |
/ c, X3 x# s. ~! d6 d, p8 k2 u7 bStandard(s): IEC60335-1(2010)
: F. ]0 w4 M7 f* GSubclause(s): 19.14* M5 c6 E6 i( G2 z; }4 i7 d
No. Year 2012/ o4 ~: V N( u( }7 P& E
PDSH 0799" P' H7 f2 {6 w( i& k4 H
Category: HOUS* f) ~4 k) _% w1 X$ _6 j1 L
Developed by: ETF 16 r. H( P- X# \
Subject: Relays only operate to ensure appliances are energized for normal use7 p/ n8 F3 y( b* M
Key words:
5 u& m0 ~- b+ S5 v9 t* |! O" H- Short-circuit) A9 e1 ]8 R: N/ {3 g. z4 P1 v
- Motor Start Relay: K# J2 {; J4 \3 ]& J% b2 ^# x+ a
To be approved at the 2012 CTL Plenary Meeting
% T Z$ p* r4 q0 r8 O8 OQuestion:
2 w( l2 {) S! M' ` c! ]# y; wThe following is stated in the third paragraph of Sub-clause 19.14:: N3 g+ j1 M) I% \* o6 w5 J1 R
“Any relay or contactor which operates only in order to ensure that the appliance is energized for
; H7 `+ l$ F- ?" Q6 e: s# O6 u7 o8 i! Bnormal use and that does not otherwise operate in normal use is not short-circuited.”3 o& |3 ?+ j& P6 s' n4 y! N
Is the motor start relay shown below covered by those specified as “not short-circuited” in the third& [4 [$ H( |; [& D: [, `$ c
paragraph of Sub-clause 19.14?. i. }1 Z6 U4 ?6 Z
Decision:
: k* t# | t N8 KThe motor start relay as shown above is not short-circuited.7 x$ g& e% O* I, T2 n$ M. e
See also explanatory note.' A7 G8 D3 [) a- B8 R2 X% _2 N& P
$ q: w- }0 W: r2 Y0 E
. R7 c' {6 `% W7 Y( a) l$ z5 c |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有账号?注册安规
x
|