概述 Overview

XGN17-12 箱型固定式金屬開關設備（簡稱開關柜），用于3.6、7.2、12kV 三相交流50Hz 系統中作為接受與分配電能之用，特別適合于頻繁操作的場合，其母線系統為單母線（并可派生出單母線帶旁路和雙母線結構）。

本開關柜符合國家標準GB3906《3-35KV 交流金屬封閉開關設備》及標準IEC298 的要求，并達到“五防”閉鎖功能。

本開關柜的主開關采用ZN28A-12 或ZN22-12 系列真空斷路器配用CD17A 電磁操作機構和CT19B 彈簧操作機構，隔離開關采用GN30-12 旋轉式隔離開關、GN22-10 大電流隔離開關系列產品。

XGN17-12 box fixed type metal-enclosed switchgear (switch cabinet for short) is used to receive and distribute electrical energy in 3.6, 7.2, 12KV three phase AC 50Hz system , specially in the frequ-ent operation occasion .

Its bus bar system is single bus bar and it can derive single bus bar with branch and double bus bar structure.

This switch cabinet conforms to the requirement of national standard GB3906-91 “3-35KV AC Metal Seal Switch equipment”and the international standard IEC298, and has the functionof “five prevention”.

This switch cabinet’s main switch is composed of ZN28A-12 Yu or the ZN22-12 series vacuum circuit breaker, the CD17A spring operating mechanism and the CT19B spring operating mechanism, the GN30-12rotary isolator and the GN22-10 big electric current isolator series product.