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5 Y7 c) f& V$ L/ dStandard- No. Year
9 \) [6 k7 N2 D- H. @. I" a, h2 JIEC 60950-1:2005 DSH- R7 d4 A+ e) m% s- p
0700
8 q* D* v1 z5 |6 D1 r3 g3 N: Q9 m ?9 L0 g2008
0 E/ Q2 j! ^4 b1 L K6 vCategory: OFF* N0 C7 P" X8 {1 q- ?% F: i
Subclause:
+ q6 ~$ C( ?5 `/ y4 g2 v$ q5 e4.3.5
$ V* ?' D7 E/ ^ ]Developed by: ETF 2
" ?4 R7 k- u! h9 e! XSubject:, K, v* v+ @; t; G8 n/ C* [; x' _
Push force for connectors
6 D% x7 C0 a1 b9 V6 R% p G( mKey words:
- H. P% B8 U4 G2 g+ ^) n-Travel adapter;
7 V8 W/ g$ w1 ? s: @$ B- connector misconnection
/ w+ B. e. r4 a! o, C, GDecision approved at the
4 z y' M& V( m! M/ h% F, J46th CTL Plenary Meeting
& I0 u2 y1 B8 b f5 zin 2009
. v7 |) J$ I5 FQuestion:
& d. b; o* f4 b- W E& lA travel adapter consists of two separable parts:; u* }& S/ L# i* }
· AC/DC unit (down transformation of voltage, safety separation provided)
/ L5 E/ }8 |) o9 A7 p· DC/DC unit with output cable (supply stabilization and voltage adjustment, no safety separation' q: ~$ P0 {, X6 [4 b' v
provided)1 E Q% B( J" t0 j# A4 Q* U
The unit can be used at AC mains (both units connected together) or DC (units separated, only DC/DC2 T0 J5 x" \$ v# E4 @
used). The AC/DC unit has a (Class II) IEC 60320-1 type appliance inlet; the DC/DC unit uses a
E( j5 [9 u0 ^. P5 {special 2-pins input connector.+ W( d; a; M1 u9 D1 m
With a small force applied (less than 30 N) an IEC 60320-1 coupler can be inserted into the input% M" g D7 Z7 O" R$ r
connector of the DC/DC unit and make contact." Y( W1 v! R* t7 X: g3 n
a. Is such design acceptable if a warning label is provided on the DC/DC unit and additional remarks
) r. A* w- a* f% m. O( i; \. m: @" \are provided in the user manual that state that the connector of the AC power cord shall not be" G# n$ h: M! ?9 E6 R' S" @3 w
pushed into the input connector of the DC/DC unit?
" {7 M4 J2 b/ t, W4 b1 k" \) H6 {b. How much force must be applied during the testing of the input connector (DC) and appliance
) s' \8 S7 w( \, l5 h3 r0 K( b4 wcoupler (AC)?
& b9 r( _; y0 I! _0 @( ODecision:
2 R5 H3 a; s$ }: z; ?8 C/ JA test force of 60 N (as specified in IEC 60320-1, no safety factor considered) shall be applied when, u# d! Z8 z# P& D H6 v
testing possible misconnection of IEC 60320 and similar connectors.
4 Y1 ?: z" r' }. R. [* w
; d; ^& a2 B6 c' W) y
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