DSH 381 Affect of adhesive on Comparative Tracking Index (CTI) of Insulating

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 381 : A; T" _6 W: _1 t4 P8 _+ K

Affect of adhesive on Comparative Tracking Index (CTI) of Insulating Tape

2.9.3, Table 6, Condition 2

60950(ed.2) & 60950(ed.3) 9 }2 H3 }6 @7 z0 v4 T

Standard:
IEC60950, 2nd and 3rd
Sub clause:
# S# K# Y' ?. v+ V5 Q2.9.3, Table 6, Condition 2
Sheet n. 381
: W3 V' [8 h+ p9 i% z$ I: j9 s) |Page 1 (1)
2 q5 v& S2 u5 g* m" kSubject:
Affect of adhesive on Comparative
% f3 @3 i2 R' [  I' UTracking Index (CTI) of Insulating
Tape
Key words:
-comparative tracking index
-CTI
" q4 s8 s+ U9 l  h-insulating tape
-adhesive
3 O6 Y9 J5 W6 @, Q4 C/ s* CDecision confirmed
, I% V5 q& e2 [8 O3 ^0 t/ G, u- }5 Vat CTL 38th meeting
Question:
- c4 c7 T- I: Q$ L$ A% }The measured Comparative Tracking Index (CTI) for an insulating tape with adhesive
present can be different from that for the insulating tape without the adhesive present. The
7 m9 K; O- a& H7 T7 ~: }2 _creepage distances to be applied depend upon the CTI of the insulating material.
Should the presence of adhesive on the insulating tape be considered in determining the CTI
7 j" v& O: `' k3 J$ q( Z) N$ A; Awhen determining the creepage distances requirements to be applied?
3 I; D0 [) p! i  Q2 ]! `Decision:
Yes.
: j# v: ~1 {3 F! l( \
( F( R1 X8 i6 p& r
/ j: i  A4 A' t1 e5 X9 ^$ n% i
3 O9 ]/ o) r. O' j
2 X3 F/ s- X6 P7 D/ S0 g