标准号:BS 519-1950
中文标准名称:铁路信号用牵引电枢直流中性*化线路继电器规范
英文标准名称:Specification for tractive armature direct current neutral-polar line relays for railway signalling
标准类型:S61;L25
发布日期:1950/7/14 12:00:00
实施日期:1950/7/14 12:00:00
中国标准分类号:S61;L25
国际标准分类号:29.120.70;45.040
适用范围:Relays having up to four neutral contact-arms and up to four polar contact-arms. Construction (overall dimensions, electrical tests, performance characteristics); arrangement, marking of terminals.