產品概述 Product overview

KYN28A-12 型戶內交流金屬鎧裝中置式開關設備。 它適用于三相交流額定電壓 12kV，額定頻率 50Hz 電力系統，用于接受和分配電能并對電路實行控制、保護及監測。 

符合標準： 

GB3906-2006《3.6~40.5kV 交流金屬封閉開關設備和控制設備》 

GB11022-89 《高壓開關設備通用技術條件》 

IEC298(1990) 《額定電壓 1kV 以上 50kV 及以下交流金屬封閉開關設備和控制設備》 

DL404-97《戶內交流高壓開關柜訂貨技術條件》

KYN28A-12 Indoor AC Metal Armored Intermediate Switch Equipment. It is suitable for three-phase AC power system with rated voltage of 12kV and rated frequency of 50Hz. It is used for receiving and distributing electric energy and controlling, protecting and monitoring circuits. 

Meet the standard: 

GB3906-2006《3.6 ~ 40.5 kV AC Metal Enclosed Switchgear and Control Equipment》 

GB11022-89 《General Technical Conditions for High Voltage Switchgear》 

IEC298(1990) 《AC Metal Enclosed Switchgear and Control Equipment with Rated Voltage Above 1kV and Below 50kV》 

DL404-97 《Technical Conditions for Ordering Indoor AC High Voltage Switchgear》

正常使用環境 Normal operating environment

◇ 周圍空氣溫度：溫度 +40℃。低溫度 -15℃。 

◇ 相對濕度：日平均相對濕度：≤ 95%；日平均水蒸氣壓力不超過 2.2KPa; 月平均相對濕度：≤ 90%；月平均水蒸氣力不超過 1.8KPa； 

◇ 海拔高度：1000m 以下。 

◇ 地震烈度：不超過 8 度。 

◇ 周圍空氣應不受腐蝕性或可燃氣體、水蒸氣等明顯污染。 

◇ 無劇烈振動場所。 

◇ 超出 GB3906 規定的正常條件下使用時，由用戶和本公司協商。 

◇ Ambient air temperature: maximum temperature +40℃ . Minimum temperature -15℃ . 

◇ Relative humidity: daily average relative humidity: ≤ 95%; The daily average water vapor pressure shall not exceed 2.2KPa; 

Monthly average relative humidity: ≤ 90%; The monthly mean water vapor force is not over 1.8KPa；; 

◇ altitude: below 1000m m. 

◇ Earthquake intensity: no more than 8 degrees. 

◇ Ambient air shall not be obviously polluted by corrosive or flammable gases, water vapor, etc. 

◇ No violent vibration place. 

◇ If it is used under normal conditions beyond GB3906, the user shall negotiate with the company.