DSH 496 Heat/fire/tracking

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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 496 $ U- K% N5 D2 J5 l- d2 t * V( Q0 ~, i5 x0 d2 _( J

Heat/fire/tracking ; [# F2 |1 Z0 B3 w2 j$ H5 |

30.1 - b/ J6 x8 p3 N: o

60335-1(ed.3) . D- e( T0 X8 R! L

Standard: IEC 60335-1:1991, 3rd Ed.
, R, ~% r( ]! l' {$ CSub clause: 30.1
Sheet No. DSH-496
Subject:
6 v$ m& r6 }/ W8 J3 ?Heat/fire/tracking
Key words: - Ball-pressure test
/ y2 p$ [4 c1 q" C  vDecision taken at 40th CTL meeting.
- K5 m9 F4 n# j5 T$ m& |3 t; Q& HQuestion:
What is the applicability of the ball-pressure test to parts of insulating material supporting live parts?
Rationale:
See question.
Decision:
For parts of insulating material covering live parts which occasionally are in contact with live parts of different potential, the ball-pressure test is carried out at 75 deg C.
% V# e" q6 v# Z  t- bFor parts of insulating material like the insulation covering snap-on connectors, only the glow-wire test is carried out.
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