DL/T 640-1997 in English
SUPERSEDEDTechnical conditions for ordering outdoor AC high-voltage drop-out fuse and the fuse-link
- Issued on:1998-01-22
- Implemented on:1998-06-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
Price(USD)：
$240.00
$233.00
$233.00
本标准规定了户外交流高压跌落式熔断器(以下简称熔断器)及熔断件的使用环境条件
术语额定参数设计结构型式试验出厂试验标志包装运输等内容与要求\r
本标准适用于额定电压3.6kV 72.5kV 额定频率50Hz 的熔断器用于电力系统中线
路及户外变压器等设备的保护
按熔断器使用场所瞬态恢复电压的不同分为A 级和B 级
本标准可作为制造技术监督和使用部门选用与验收熔断器的依据.
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