DSH 700 Push force for connectors

小米

广东安规检测
有限公司提供：

小型摆管淋雨试验机

IPX5X6X7喷水试验机

1000L恒温恒湿箱

各种试验指现货

可程式恒温恒湿试验箱

水平垂直燃烧机

自动卷线器试验机

耐划痕试验机

各种灯头量规现货

灼热丝试验机现货

GB1002插头量规

IPX1-X7淋雨现货

IEC61347/UL935镇流器热试验箱

灯具防风罩

IK冲击试验机

UL498插头插座量规

VDE0620插头插座量规

稳定性试验台

家电温升测试角

针焰试验机现货

热电偶焊机现货

家电125mm试验指

E12灯头量规

无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

DSH 700 6 r9 Q# `# v( Z7 D( e4 b9 _8 X

Push force for connectors

4.3.5

60950-1(ed.2)

5 k$ _% m! G( [# {& m1 VStandard- No. Year
IEC 60950-1:2005 DSH
: k# ^# i2 F: a3 u1 g0700
2008
5 z; I( Z2 d- D) C1 w/ s) ACategory: OFF
Subclause:
* u$ O  Q% ^: F5 Y- M4.3.5
3 J. B3 m$ m7 D/ k% e3 L! X' t; UDeveloped by: ETF 2
Subject:
Push force for connectors
9 O# {/ K( D/ ?0 mKey words:
; q8 z/ G" m1 w  ^5 D-Travel adapter;
- connector misconnection
Decision approved at the
- `- Y8 K  B: G, O46th CTL Plenary Meeting
  H- H8 J( `' _8 K( Cin 2009
* W* G% @/ Q( K, o# h; XQuestion:
A travel adapter consists of two separable parts:
7 _+ K. _: B; r·  AC/DC unit (down transformation of voltage, safety separation provided)
·  DC/DC unit with output cable (supply stabilization and voltage adjustment, no safety separation
provided)
, a' l* {) O" B: \+ S0 ]+ E; c6 t8 _The unit can be used at AC mains (both units connected together) or DC (units separated, only DC/DC
0 A8 h" v( E9 I3 f; p6 W3 o4 o. Y9 gused). The AC/DC unit has a (Class II) IEC 60320-1 type appliance inlet; the DC/DC unit uses a
* O- [3 ^* X+ J5 A* J* lspecial 2-pins input connector.
( I8 l% G1 e7 [  r4 K3 |# Z- SWith a small force applied (less than 30 N) an IEC 60320-1 coupler can be inserted into the input
connector 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
$ |( ]0 W6 p1 q+ B( y! Nare provided in the user manual that state that the connector of the AC power cord shall not be
* _0 P; s' l/ d5 c/ Ppushed 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
9 U! C$ t  T$ i( ]0 c- Gcoupler (AC)?
Decision:
A test force of 60 N (as specified in IEC 60320-1, no safety factor considered) shall be applied when
testing possible misconnection of IEC 60320 and similar connectors.


( O- ]" @% h( ^/ p- @