PN EN 50557-2012 标准详情
- 标准号:PN EN 50557-2012
- 中文标题:
- 英文标题:Requirements For Automatic Reclosing Devices (Ards) For Circuit Breakers-Rcbos-Rccbs For Household And Similar Uses
- 标准类别:波兰标准PN
- 发布日期:
Pertains to Automatic Reclosing Devices (hereinafter referred to as "ARD") for household and similar uses, for rated voltage not exceeding 440 V a.c. intended to be used in combination with circuit-breakers and/or RCCBs and/or RCBOs, and designed e
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