DSH 738 Insulation properties of housing of subclass Y capacitors

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 738 & ]1 W9 Z' P$ |) ]

Insulation properties of housing of subclass Y capacitors

1.5.7.2 (IEC 60950- 1:2001) 1.5.6 (IEC 60950-1:2006) ( q% S9 d! J8 t8 e( n( Y

60950-1(ed.1) & 60950-1(ed.2) 5 z  M  s: g- w$ R$ E# l

! R# O# n4 S- {Standard(s):
IEC 60950-1:2001
IEC 60950-1:2005
3 @* l6 r5 E" TSub clause(s):
7 ]' P2 o1 ^! [3 Z* G3 a+ g' u- ?1.5.7.2 (IEC 60950-
1:2001)
1.5.6 (IEC 60950-1:2006)
' [9 ~  l& q7 w6 b. z& bDeveloped by ETF 2
Question 68
Subject:
Insulation properties of housing
3 A6 l* }) \+ r4 J" E: X0 k, x, Kof subclass Y capacitors
1 ]7 ?0 d+ |0 J/ EKey words:
- subclass Y capacitor
- housing
' z' m- z2 b& K# }- insulation
" S: w  M) {$ t( ~5 XDecision approved
: `  c6 k0 e9 v- h/ @4 ]: Vat the 46th CTL
Plenary Meeting
2009
: q* s9 b- P" J2 V8 `Question:
) Z" X8 H* A; i7 l5 zCapacitors complying with IEC 60384-14 are permitted to bridge certain levels of
insulation. Does the housing of such capacitors provide this same level of
" Y' n9 z5 G2 B8 n) n+ D: L6 |insulation?
Example: A subclass Y1 capacitor is permitted to bridge double or reinforced
$ g! H9 s( s5 Q2 Y$ v7 b: \5 u2 ^insulation. Is it permitted that this capacitor housing serves as double or reinforced
* ^; D  O- i8 A0 J# F1 X* g# k- dinsulation to other circuit parts, such as a transformer core?
1 j# E; q. _+ J, cDecision:
. u5 V7 d: l9 ]5 m1 i/ e, ~5 yHousings of IEC 60384-14 subclass Y capacitors are considered to provide
; n2 G+ M$ g( _2 r/ ?- Hinsulation levels as specified in IEC 60950-1 (e.g. Table 1D for 2nd ed.) with the
exception of the areas near to the leads.
5 a$ ^0 s: A+ C1 R, h$ z% D  D
, @9 m, h* q" n: s- o. G7 F& ^