DSH 700 Push force for connectors

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DSH 700 5 z2 u/ J; Y1 R6 X; k* ? 0 F+ {1 t/ I! G3 n

Push force for connectors

4.3.5 9 Z, u8 N, n) W# ~, u. U! x

60950-1(ed.2)

) w0 s' }) S1 b2 z9 K# d( n& ZStandard- No. Year
) A0 _( \1 \" D* }7 ^. I5 v% _. `0 A! cIEC 60950-1:2005 DSH
& }! w+ n* Z7 w, Y0700
& h- @, _1 ]# ]- {2008
Category: OFF
Subclause:
4 m2 G  F% A# S( ]' I4.3.5
Developed by: ETF 2
Subject:
. H" y6 M5 Y/ t9 N- ~Push force for connectors
Key words:
-Travel adapter;
' u1 Z3 t* ]6 p% S- connector misconnection
5 ]/ T7 z0 s5 O9 v7 |/ C- cDecision approved at the
46th CTL Plenary Meeting
3 m- Q% I& _% e, Z8 [. Hin 2009
Question:
  V  {) f5 e; P( j8 W0 u9 A, u# CA travel adapter consists of two separable parts:
$ c5 Z9 @' b# E2 Y; s% I·  AC/DC unit (down transformation of voltage, safety separation provided)
# d4 z- C# _, r! F1 p( K* [·  DC/DC unit with output cable (supply stabilization and voltage adjustment, no safety separation
1 z1 ~, M: h* {* yprovided)
# ?0 P2 E$ y# V' a( ?; G# I3 {& mThe unit can be used at AC mains (both units connected together) or DC (units separated, only DC/DC
used). The AC/DC unit has a (Class II) IEC 60320-1 type appliance inlet; the DC/DC unit uses a
) R9 ~4 t0 }: ispecial 2-pins input connector.
9 V* r% u6 G  y( GWith a small force applied (less than 30 N) an IEC 60320-1 coupler can be inserted into the input
+ C* ~5 J$ b' g/ @5 T9 I1 xconnector of the DC/DC unit and make contact.
a. Is such design acceptable if a warning label is provided on the DC/DC unit and additional remarks
1 r, ?" w# z4 _4 o' Z: p6 c/ Qare provided in the user manual that state that the connector of the AC power cord shall not be
pushed into the input connector of the DC/DC unit?
b. How much force must be applied during the testing of the input connector (DC) and appliance
! z- W. J1 n9 i! x/ Z5 n0 W" Ccoupler (AC)?
Decision:
. h2 N6 ~- T0 w- c  iA test force of 60 N (as specified in IEC 60320-1, no safety factor considered) shall be applied when
3 o) h& {) U" s/ ?9 dtesting possible misconnection of IEC 60320 and similar connectors.
8 X# F5 B2 I- ?+ o/ l: h
0 B. \7 \' i/ ^