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Standard- No. Year1 Z, y6 e0 `4 V u |% V
IEC 60950-1:2005 DSH
8 g% r M) Z$ B c) S. y, W& u0700
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Category: OFF
$ [: e0 p( X. c* r% r$ I" `Subclause:6 m, N, N2 M3 s; y1 X9 \- c: C( ~6 b7 _
4.3.5
# W; g2 b1 `) M9 H$ V" MDeveloped by: ETF 2
( _/ Z" y) L. v* u* q# ASubject:
' H* ?% |: r1 r( A8 kPush force for connectors9 R" c% M* N: z. J
Key words:
# k4 v& E4 `* ^9 [-Travel adapter;
2 B0 ~- k5 \( [1 P, e+ a. y& P* [; W- connector misconnection( {4 l( K w1 V8 I0 T
Decision approved at the
3 [0 U0 y5 N9 k8 q46th CTL Plenary Meeting$ w5 H. F( e2 [4 ]# g
in 20092 D8 X( x$ h8 b: N: S. y# j! u2 \7 `, C
Question:
* I" b# r5 I; f% m: D9 i3 n% ?A travel adapter consists of two separable parts:( G- v9 @4 `0 U( ]
· AC/DC unit (down transformation of voltage, safety separation provided)
/ p% U" c4 [8 A0 s7 n( k; G& q R· DC/DC unit with output cable (supply stabilization and voltage adjustment, no safety separation& u: `. W3 N- W( t
provided)1 E% `, p5 d+ @1 U% u0 B- `
The unit can be used at AC mains (both units connected together) or DC (units separated, only DC/DC
1 q& Y; a: M/ Y) c/ r! A" \used). The AC/DC unit has a (Class II) IEC 60320-1 type appliance inlet; the DC/DC unit uses a
% T; l7 `3 P/ ~special 2-pins input connector.1 r- a& X3 k3 \+ M" p% R. d
With a small force applied (less than 30 N) an IEC 60320-1 coupler can be inserted into the input
4 M/ r" \/ H8 G' [connector of the DC/DC unit and make contact.
+ R2 f) Q9 S- i2 n. b' ^; W" C9 Ka. Is such design acceptable if a warning label is provided on the DC/DC unit and additional remarks
. N- C6 p% g7 d( ?. W/ j. b+ hare provided in the user manual that state that the connector of the AC power cord shall not be3 K7 c/ U# P! F. _* W, b
pushed into the input connector of the DC/DC unit?
# D* c5 K; ?1 j$ ab. How much force must be applied during the testing of the input connector (DC) and appliance
/ \9 d2 v6 s/ P/ lcoupler (AC)?
6 @3 F! a6 {2 ?1 C* J5 @Decision:+ S8 O) b K) r( d- d) W" m
A test force of 60 N (as specified in IEC 60320-1, no safety factor considered) shall be applied when
- w) [7 c9 n7 Q7 Ltesting possible misconnection of IEC 60320 and similar connectors.
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