IEC 61534-21 : 2.0现行
POWERTRACK SYSTEMS - PART 21: PARTICULAR REQUIREMENTS FOR POWERTRACK SYSTEMS INTENDED FOR WALL AND CEILING MOUNTING
出版：International Electrotechnical Committee
专家解读视频
Defines the particular requirements and tests for PT systems intended for mounting on walls and/or ceiling.
VDE 0604-121 : 2015 - Identical
SANS 61534-21 : 1ED 2015 - Identical
BS EN 61534-21 : 2014 - Identical
NEN EN IEC 61534-21 : 2014 - Identical
SN EN 61534-21 : 2014 - Identical
DS EN 61534-21 : 2014 - Identical
PN EN 61534-21 : 2015 - Identical
CEI EN 61534-21 : 2015 - Identical
GOST R IEC 61534-21 : 2014 - Identical
