IEC 60255-13 Ed. 1.0现行
Electrical relays Part 13: Biased (percentage) differential relays
出版：International Electrotechnical Committee
专家解读视频
Specifies performance requirements for the subfamily. Forms part of a series dealing with measuring relays with more than one input energizing quantity and for which IEC 60255-6 gives the general requirements.
VDE 0435-302:1988 - Similar
BS 142-4-4.1:1984 - Similar
PN IEC 255-13:1994 - Identical
SS IEC 60255-13 Ed. 1 (1998) - Identical
UNE 21136-13:1990 - Identical
SS IEC 255:1991 - Identical
