DSH 2012_IEC 60730

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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

Questions:
6 G8 }3 z: |4 z1 P8 c4 y" {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
+ F8 z6 S: e8 [as a temperature rating?
6 e3 y/ V& o! z: g2. Does the ETF4 agree that the declared value Tmax shall be independent of the mounting
* G& p$ j' ]1 _) h  y' `temperature (Ts max) of the control?
3. 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 Q7 |5 B2 X$ ]4. Does the ETF4 agree that it is the responsibility of the appliance manufacturer to ensure that
! A5 R8 Z! e0 i& B8 ]5 a' E5 X0 Rthe Tmax and Ts max values declared by the component manufacturer are met when
: P& Q0 t0 D( q3 [incorporating the temperature sensing control in the end-user appliances through testing?
9 R* m) \. v7 {- b; W/ R# y5. Does the ETF4 agree that the component manufacturer’s declared Tmax value and the
$ \8 H# e; q# R4 l, {mounting surface temperature Ts max shall be independently maintained during the heating test
of clause 14?
5 q1 |6 G3 N/ d. O- ^IEC System for Conformity Testing and Certification
of Electrotechnical equipment and Components
CTL-OP 106 Ed 9.2 2/5 © IEC – IECEE 2013
2013-05-24
6. Does the ETF4 agree that the maximum temperature at the control’s connection tabs (Ttab max)
shall 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
  ]3 `3 n/ b! `$ w. z% F- Z7 w. Rrated Tmax and Ts max during the heating test?

" z  ^5 w! Z% `1 U( p$ p

# L+ ]) T- L' y% S