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

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, M7 M* @3 p$ S8 d, z1 K* |: UQuestions:
, p; e+ u. y& T4 K. ^. j0 F% T1. Does ETF4 agree that the ambient temperature at the switch head (Tmax) and the mounting
2 Q- Q- \& T5 n6 `6 t3 Tsurface temperature (Ts max) shall be declared and specified by the component manufacturer
5 I$ t4 N& R# {, F! e" yas a temperature rating?
2. Does the ETF4 agree that the declared value Tmax shall be independent of the mounting
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 ?
" Y- `. @7 y0 E9 i# w4. Does the ETF4 agree that it is the responsibility of the appliance manufacturer to ensure that
the Tmax and Ts max values declared by the component manufacturer are met when
) U5 o0 q5 v9 d2 lincorporating the temperature sensing control in the end-user appliances through testing?
/ t: e8 K: d& L3 J' Z1 g7 R5. Does the ETF4 agree that the component manufacturer’s declared Tmax value and the
mounting surface temperature Ts max shall be independently maintained during the heating test
of clause 14?
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
5 |, `# @! @7 `; ]" S/ i6. Does the ETF4 agree that the maximum temperature at the control’s connection tabs (Ttab max)
( h* g; P2 S3 ~% O$ Mshall 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
rated Tmax and Ts max during the heating test?
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