產品概述 Product brief account

KYN28-12(GZS1)型戶內金屬鎧裝抽出式開關設備，系3?10kV三相交流 50Hz單母線及單母線分段系統的成套配電裝置。主要用電發電廠' 中小型發 電機送電、工礦企事業配電以及電力系統的二次變電所的受電、送電及大型 高壓電動機起動等。作控制保護、監測之用。本開關設備満足DL/T404, IEC60298、GB3906等標準要求，具有防止帶負荷推拉斷路器手車，防止誤 分合斷路器、防止接地開關處于閉合位置時關合斷路、防止誤入帶電隔室、 防止在帶電時誤合接地開關的聯鎖功能，既可配用VS1真空斷路器，又可本用 ABB公司的VD4M空斷路器。是一種性能優越的配電裝置。

KYN28-12 (GZS1) Indoor metal-clad withdrawable switchgear is suitable for the system of 3?10kV three-phase 50Hz single busbar and single busbar by-pass, mainly used to power plant,middle/small generator send electricity,industry-mine enterprise distribution and electric power system secondary transformer incoming feeder, sending power, large high-voltage motor starting,as controlling, protect-ing and monitoring device. The switchgear meets the standards of DL/T404, IEC60298, GB 3906. It is equiped with prevention of loading pulling circuit breaker handcart, prevention of maloperating circuit breaker, preventionof closing circuit switch, prevention of accidently entering energized sepa-rate zone, prevention of closing earthing switch interlock with energization. The switchgear can be equiped with both VS1 vacuum circuit

主要技術參數Main technical data 

額定電壓 rated voltage     12kV

額定電流 rated current    630-4000A

額定頻率 rated frequency    50Hz

額定短路開斷電流 rated short-circuit breaking current    16-50kA

額定短路關合電流 rated short-circuit making current      40-125kA

額定4s熱穩定電流 rated 4s sbort-time withstand       20, 31.5, 40, 50

1 min工頻耐受電壓1 min power freuqeney withstand voltage 

      相間及對地alternate and relatively     42kV

      隔離斷口Isolate broken     48kV

雷電沖擊耐受電壓 lightning impulse withstand voltage

      相間及對地alternate and relatively     72kV

      隔離斷口Isolate broken     85kV

防護等級 degree of protection

      IP4X(外殼)(out shell)

      IP2X(斷路器門打開)(Interrupters's door open)