Push force for connectors$ z2 O! Q. H0 b- B1 T4 I3 x+ _
4.3.5* }! v6 C" |5 b2 c- j4 }
60950-1(ed.2) " r( P/ U, Y2 T$ Z# J$ J
+ M2 b8 ~/ @$ h) R/ LStandard- No. Year $ b4 u w& y+ S+ S" a) b6 E! r0 P4 GIEC 60950-1:2005 DSH8 |3 r# V6 S% k, r
0700, s( `' J4 d; h0 H1 P" M
2008; l" y# F( r8 G; i/ y( W, X; e
Category: OFF : F( ~- _9 B7 X' R: r2 p! e+ @Subclause: ) C7 W- E4 ^; I( P4 r% }3 ]4.3.5 ! t+ O5 q1 B0 y6 l# @7 t) ^9 iDeveloped by: ETF 2% f0 K3 ], m, m( s% r4 M1 V" _
Subject:4 ^! v, P) V# f
Push force for connectors 1 O! x( H9 T8 y j% w* DKey words:2 U6 Z6 Z- W3 C
-Travel adapter;& ?/ K4 b r1 @+ u, g
- connector misconnection% e& A9 n8 S' g$ K% H, ]& W& ^1 V
Decision approved at the 1 }8 l2 P. e, A1 b46th CTL Plenary Meeting + Y0 c9 g& E/ nin 2009 ' Z! X; |* C1 e @: gQuestion: " P: j1 w) v1 P1 G, x2 t p; q n. cA travel adapter consists of two separable parts:# _' u* k7 F; j3 w, u
· AC/DC unit (down transformation of voltage, safety separation provided)8 t1 {8 h+ }, V [
· DC/DC unit with output cable (supply stabilization and voltage adjustment, no safety separation. u/ p+ ]% q, j# i
provided) H# P4 K, c( f" f
The unit can be used at AC mains (both units connected together) or DC (units separated, only DC/DC; b- n' s, h: m
used). The AC/DC unit has a (Class II) IEC 60320-1 type appliance inlet; the DC/DC unit uses a % Y- g, w e _4 ~4 Dspecial 2-pins input connector.7 ?6 |$ s' A, t, [! r1 a
With a small force applied (less than 30 N) an IEC 60320-1 coupler can be inserted into the input + x Q' d$ N4 b8 _0 z: }; U4 xconnector of the DC/DC unit and make contact.1 C" n, ^' g9 o
a. Is such design acceptable if a warning label is provided on the DC/DC unit and additional remarks: M5 ^0 `, ?4 p. \" M5 D
are provided in the user manual that state that the connector of the AC power cord shall not be/ e. s2 G$ R5 F) u* K
pushed into the input connector of the DC/DC unit?8 n4 ]; X; Z7 M. M. \4 `6 ?
b. How much force must be applied during the testing of the input connector (DC) and appliance) ]2 Y5 @7 X, {- g$ i0 ]# n
coupler (AC)?6 G) W6 e; z2 I; P: c
Decision: $ ]1 ]5 i1 E/ z) c1 X/ ^* OA test force of 60 N (as specified in IEC 60320-1, no safety factor considered) shall be applied when 4 m) M6 D2 X/ [: ?0 ~* ]; p& Ltesting possible misconnection of IEC 60320 and similar connectors. % N6 P. y, r0 u) S 0 J% Y& ~3 V F6 J t, _ y; K[attach]77140[/attach]8 P6 Y5 y$ q& o; A
DSH 700