BS 519:1950-铁路信号用牵引电枢直流中性极线继电器规范-国家数字标准馆

现行 BS 519:1950

到馆阅读

收藏跟踪

购买正版

Specification for tractive armature direct current neutral-polar line relays for railway signalling 铁路信号用牵引电枢直流中性极线继电器规范

发布日期： 1950-07-14

继电器最多有四个中性接触臂和四个极性接触臂。结构（外形尺寸、电气试验、性能特征）；端子的布置、标记。交叉引用:BS 442

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.Cross References:BS 442

分类信息

发布单位或类别：英国-英国标准学会

关联关系

研制信息

相似标准/计划/法规

现行

BS 1659-1950

Specification for tractive armature direct current neutral track and line relays for railway signalling
铁路信号用牵引电枢直流中性轨道和线路继电器规范

1950-07-26