DSH 499 Creepage distances, clearances and distances through insulation

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 499

Creepage distances, clearances and distances through insulation

29.2.2

60335-1(ed.3)

Standard: IEC 60335-1:1991, 3rd Ed.
+ Q! D* ]- N8 c) Z; d; G% C5 GSub clause: 29.2.2
Sheet No. DSH-499
Subject: Creepage distances, clearances and distances though insulation
4 W  C5 n4 F  X1 X7 aKey words: - thin sheet of insulating material
Decision taken at 40th CTL meeting.
+ e( i% x+ j' x' t9 [Question:
& j  }) d6 m# H. M) k* ]: dIs one thin sheet of insulating material on the inside of accessible metal acceptable as reinforced insulation?
& s4 o" @; V  A* \Rationale:
1 g! g$ }6 Q' Y5 b' d% BSee question.
0 E: M  Z9 I* w; l. A* yDecision:
% V; C. r& |# u( k/ g: OIt is acceptable based on the standard.


! f* E2 d. J9 O  M" I