DSH 2012_IEC 60730

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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

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Questions:
1. Does ETF4 agree that the ambient temperature at the switch head (Tmax) and the mounting
surface temperature (Ts max) shall be declared and specified by the component manufacturer
. g4 \6 a  G" D  C) G, I6 Das a temperature rating?
/ c0 R/ K8 t6 I. V' L% `2. Does the ETF4 agree that the declared value Tmax shall be independent of the mounting
temperature (Ts max) of the control?
; G' Y* D4 Y, ]5 V3. Does ETF4 agree to add a note to clause 2.3.30 in order to clarify that Tmax shall be
independent from Ts max ?
9 B4 y: _/ `3 h" Q' i, ~4. Does the ETF4 agree that it is the responsibility of the appliance manufacturer to ensure that
$ P& ?- ?$ W. y/ u" [the Tmax and Ts max values declared by the component manufacturer are met when
7 v: h% M2 @& ]& aincorporating the temperature sensing control in the end-user appliances through testing?
; H/ x8 S  p9 n" S  [, V1 r. q; i3 f5. Does the ETF4 agree that the component manufacturer’s declared Tmax value and the
. f% `* f( ~5 ?. h; H" y( Vmounting surface temperature Ts max shall be independently maintained during the heating test
5 G9 u8 h: g9 A1 b5 @2 w5 G0 |! xof clause 14?
IEC System for Conformity Testing and Certification
of Electrotechnical equipment and Components
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2013-05-24
6. Does the ETF4 agree that the maximum temperature at the control’s connection tabs (Ttab max)
( s: B# o/ \5 p( q, ^: Nshall only be a function of the declared Tmax temperature and the added heat rise under rated
load measured at the tabs of the controls at steady state, while independently maintaining the
% {% v3 W5 c; s$ |rated Tmax and Ts max during the heating test?
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