IEC 61643-22 : 2.0现行
LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 22: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - SELECTION AND APPLICATION PRINCIPLES
出版：International Electrotechnical Committee
专家解读视频
Defines the principles for the selection, operation, location and coordination of SPDs connected to telecommunication and signalling networks with nominal system voltages up to 1000 V r.m.s. a.c. and 1500 V d.c.
SANS 61643-22 : 1ED 2005(R2010) - Identical
NEN NPR IEC CLC/TS 61643-22 : 2007 - Identical
DS CLC/TS 61643-22 : 2016 - Identical
DD CLC/TS 61643-22 : 2006 - Identical
05/30134962 DC : DRAFT JUN 2005 - Identical
I.S. CLC TS 61643-22:2006 - Identical
NF EN 61643-22 : 2003 PR - Identical
DS CLC/TS 61643-22 : 2016 - Identical
