IEC60730.1标准中爬电距离 材料类别和污染等级

yiming_san

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

请问IEC60730.1标准中爬电距离测量，其材料类别和污染等级怎么确定呢？有什么标准详细分类了吗？谢谢。

H-RH

污染等级参考这个:
/ I4 W# d6 s( o& Y2 N
# X# F7 |1 H& A2 ^7 K. D. y/ V: Shttps://www.myomron.com/index.php?action=kb&article=513

Pollution Degree 1 : No pollution or only dry non-conductive pollution. It has no effect. Clean room environments, Inside sealed components

8 w( Q5 S! W" ^! @/ t+ E# IPollution Degree 2: Normally only non-conductive pollution. Temporary Condensation possible. Offices, laboratories, test stations
( F. x3 R$ W% {
! h  J% M& m* \Pollution Degree 3: Conductive and non-conductive pollution present. Condensation frequent. Industrial & farming areas (under cover), unheated rooms, Boiler rooms
6 m, h1 i3 P  p) w; L; R
/ I% ?+ e( i; ^% D3 p+ U1 [& p! sPollution Degree 4: Pollution generates persistent conductivity caused by wet dust, rain or snow. Outdoor use, remote stations

; y, l) ?4 f+ D0 h2 ~: r$ P

: L  T; E8 u3 l! N1 X
材料类别 (Material group) 在 6.13:
6.13.1 – material of material group IIIb with a PTI of 100 and up to but excluding 175;
. r5 G2 b/ N6 w) T1 T5 c6.13.2 – material of material group IIIa with a PTI of 175 and up to but excluding 400;
6.13.3 – material of material group II with a PTI of 400 and up to but excluding 600;
2 o# g' H) ?4 s& ]' c! N5 O6.13.4 – material of material group I with a PTI of 600 and over.