谈低压成套开关设备产品部分出厂试验

Talking about Routine Test of Low Votage Complete Sets of Switchgear Products

以现行的国家标准GB7251为基础,介绍部分出厂试验:介电性能、电气间隙,爬电距离和隔离距离的验证,内装电路和连接,外接导线端子,布线。

On the basis of national standard GB7251, the paper presents verifications of routine test, dielectric character- istics ,clearance, creepage distance and isdation distance, build-in circuit and connection, exterral terminal, wiring and operating performance.