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7 D$ L6 |7 S: v( F+ TStandard- No. Year' K0 H; O3 H# O' A6 v& n+ v
IEC 60950-1:2005 DSH
* L- g* C. v3 E6 ?+ t& { H0700! J% C. i" `2 Y {2 x- t0 g
2008
/ I+ g/ x# d0 TCategory: OFF
]2 c/ D/ W1 q n7 bSubclause:
$ A( \3 {+ D* O6 r) ]2 i) k4.3.5
( } T2 A8 j K2 M+ RDeveloped by: ETF 2
7 O q% W; R F1 s9 hSubject:
0 r" `. v# Y. O0 f% v" @Push force for connectors. o G. C+ i6 W* {3 t+ U w
Key words:9 |9 l: e, j0 {4 g7 d
-Travel adapter;; }+ @/ `, {. M' c( H& Y
- connector misconnection% w% l9 z* @3 @
Decision approved at the) K% P$ k; K9 @; ^) w: _0 X
46th CTL Plenary Meeting
4 A/ z8 s2 W0 j( L; y3 Jin 2009
; b. r5 j0 V9 C7 Q K! aQuestion:
0 p9 Q7 w4 ]! ZA travel adapter consists of two separable parts:
$ J7 G' `& [$ [ n- `· AC/DC unit (down transformation of voltage, safety separation provided)) c: \' v- I" W. c& G
· DC/DC unit with output cable (supply stabilization and voltage adjustment, no safety separation; Q! [- q" J0 J0 ~ ^7 T
provided)
' I% F: W' d6 I0 j4 r! L/ QThe unit can be used at AC mains (both units connected together) or DC (units separated, only DC/DC( {" @& C$ j0 s; ~; V( J, `) p
used). The AC/DC unit has a (Class II) IEC 60320-1 type appliance inlet; the DC/DC unit uses a. m( M/ w- Q7 J. B9 W
special 2-pins input connector." r' V, `5 T0 k: c3 m" E5 L( P! o
With a small force applied (less than 30 N) an IEC 60320-1 coupler can be inserted into the input* H. ]3 G+ ^! P* G" ?6 z) x3 U. n
connector of the DC/DC unit and make contact.- ~/ ~6 T9 J5 X+ A. y. T$ ]: G
a. Is such design acceptable if a warning label is provided on the DC/DC unit and additional remarks1 f) [1 N/ N% l6 P
are provided in the user manual that state that the connector of the AC power cord shall not be4 D: M9 P. G6 u, x: N! K
pushed into the input connector of the DC/DC unit?3 U/ w3 b+ \* m) {9 _6 W
b. How much force must be applied during the testing of the input connector (DC) and appliance
- E- ^2 Q! r; a7 x) y9 }; e: bcoupler (AC)?' z0 _' g% ~1 F
Decision:
5 E% D7 ^: Y% S0 WA test force of 60 N (as specified in IEC 60320-1, no safety factor considered) shall be applied when: T% g! o v2 S' Q5 Z& e" A, ~; z
testing possible misconnection of IEC 60320 and similar connectors.
6 T" ^: s7 |. V& J1 k8 c9 f# K0 G+ j8 i2 p/ Y; G) w& D
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发表于 2012-11-6 13:49
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