ZFN21-12D/T630-20, ZFN21-12DR/T125-31.5 indoor vacuum load switch fuse combination device ZFN21-12D/T630-20, ZFN21-12DR/T125-31.5 high-voltage vacuum load switch and combination device are used in three-phase AC 10KV, 50Hz distribution systems. It has a compact structure, small size, light weight, long service life, and strong closing and breaking ability

The advantages of safety and reliability, when used in conjunction with fuses (referred to as combination appliances), can replace expensive circuit breakers, and its operation and maintenance are simple and convenient.  

ZFN21-12D/T630-20, ZFN21-12DR/T125-31.5 indoor vacuum load switch fuse main technical parameters:

Appearance and installation dimensions

ZFN21-12D/T630-20, ZFN21-12DR/T125-31.5 indoor vacuum load switch fuse