IEEE C 37.20.1a-2005 金属外壳低压电力线路断路器开关装置.修改件1:短时和短路耐受电流试验.多电缆连接的最小区域
百检网 2021-07-20
标准号:IEEE C 37.20.1a-2005
中文标准名称:金属外壳低压电力线路断路器开关装置.修改件1:短时和短路耐受电流试验.多电缆连接的*小区域
英文标准名称:Metal-enclosed low-voltage power circuit breaker switchgear - Amendment 1: Short-time and short-circuit withstand current tests - Minimum areas for multiple cable connections
标准类型:K43
发布日期:2005/12/30 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:K43
国际标准分类号:29.130.20
适用范围:Low-voltage metal-enclosed switchgear-which contains either stationary or drawout, manually or electrically operated low-voltage ac or dc power circuit breakers in individual grounded metal compartments, in three-pole, two-pole, or single-pole construction-is covered. Rated maximum voltage levels are 254 V, 508 V, or 635 V (ac) and 300/325 V, 800 V, 1000 V, 1200 V, 1600 V, or 3200 V (dc). The standard deals with service conditions, ratings, temperature limitations, and classification of insulating materials, insulation (dielectric) withstand voltage requirements, test procedures, and application.
百检能给您带来哪些改变?
1、检测行业全覆盖,满足不同的检测;
2、实验室全覆盖,就近分配本地化检测;
3、工程师一对一服务,让检测更精准;
4、免费初检,初检不收取检测费用;
5、自助下单 快递免费上门取样;
6、周期短,费用低,服务周到;
7、拥有CMA、CNAS、CAL等权威资质;
8、检测报告权威有效、中国通用;