DSH 424 Component ratings

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 424 $ ^5 X* h4 j- ~- |. y5 G% {# }3 ~8 P $ \) y' G, S- D0 I. U9 |1 U' W

Component ratings 0 ?( y+ X9 u! d" I

56.1 b) # \; M1 M/ G0 x, o. |

60601-1(ed.2);am1;am2 * S8 y' w, \8 O' q3 \/ q

3 @2 P6 F$ Y3 }6 p7 tStandard(s)- (year and edition):
60601-1:1988 Ed.2 Am1+Am2
Sub clause(s): 56.1 b)
Sheet n°: DSH-424
- R& {# M/ V; Y. u) W  I" }Subject: Component ratings
Key words: Component, rating, requirement
# U# S8 R, {7 q, d7 fConfirmed by CTL at its 39th meeting, in Cologne
/ s; Z) U0 K6 i; r6 ^0 rQuestion:
56.1 b) requires that ratings of components shall not conflict with the conditions of use in
EQUIPMENT. There are no requirements for components themselves to meet specific
standards which include the control of reliability.
Decision:
* i& n* Z; `6 [2 m4 RIt is strongly recommended that components in the MAINS PART and in APPLIED PARTS
1 D$ O) F" D* g7 c- V+ dshould comply with recognised component standards, consistent with their use. The following
hierarchy of acceptable standards is suggested:
1. International standards (e.g. IEC, ISO etc.)
) |8 `- b0 Z6 m- L7 [2. National standards (e.g. BSI, DIN, UL etc.)
7 b% c3 A, b$ a+ r3. Component manufacturer standards, covered by suitable quality control procedures.
The manufacturer’s tests and controls, supported by appropriate technical documentation.
* p2 _- c3 E% X/ i) p; d9 q