N23;K31 标准查询与下载

DIN 4000-56:1987 交流1000V以下和直流1200V以下的开关和开关装置用产品特性图表

Tabular layouts of article characteristics make it possible that standardized and non-standardized articles which are similar each other can be grouped, fined and selected. The standard deals with following groups of articles: switches, plug switch, proximity switch, control switch, circuit-breaker, motor starter, (air-break) switch-disconnector and fuse combination unit.#,,#

Tabular layouts of article characteristics for switches and switching devices up to AC 1000 V and DC 1200 V